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Governmental & Military >> NASA Abbreviations

Look through 5000 acronyms and abbreviations related to NASA:

• BCWS — budgeted cost for work scheduled
• I/W — in work
• LSPPS — Logistics Support Plan for Preoperational Support
• OPS — Operations
• E&L — engineering and lab
• DD/HH:MM:SS — Day/Hour:Minute:Second
• LAN — Local Area Network
• AU — Accounting Unit
• CMCS — Centralized Maintenance Computer System
• USA — United States of America
• US — United States of America
• FSCM — Federal Supply Code for Manufacturers (replaced by CAGE code)
• H2O2 — Hydrogen Peroxide
• DELOG — design engineering logistics
• I&ES — information and electronics system
• FLSA — Fair Labor Standards Act
• I/OC — input/output controller
• K-LOAD — constant load
• BRDF — Bidirectional Reflectance Distribution Function
• ROM — Read-Only Memory
• CAD-OPS — computer-aided design costing for operations
• POC — Point Of Contact
• C&CS — command and control subsystem
• B-L — bill of lading
• A&COTA — Assembly and Checkout Technical Analysis
• E/OCM — electromagnetic/optical countermeasure
• JAEL — JSC Avionics Engineering Laboratory
• I/OU — input/output unit
• CCTV — Closed-circuit television
• C/SSR — Cost/Schedule Status Report
• FTE — Full Time Equivalent
• ASAP — As Soon As Possible (pronounced AY-sap)
• ANSI — American National Standards Institute, Inc.
• A&TA — Assembly and Test Area
• H/B — hyperbaric
• LIFO — Last In, First Out
• TIM — Technical Interchange Meeting
• K-DODM — KSC DOD Plan/Requirement
• J-BOX — Junction Box
• ISAR — Inverse Synthetic-Aperture Radar
• DR — Discrepancy Report
• A&RC — Application and Resource Control
• C/SR — cost/schedule report
• LED — Light-Emitting Diode
• A — Ampere
• I/U — instrumentation unit
• LAMOD — laser optical motion detector
• C&TSS — Communication and Tracking Subsystem
• MA&T — Manufacturing Assembly And Test
• B/V — Bleed Valve

• C-BARS — classified baseline accounting and reporting system
• A&SS — alignment and stabilization subsystem
• K-APM — KSC Automated Payloads Plan/Requirement
• AADSF — Advanced Automated Directional Solidification Furnace
• K-DPPS — KSC DOD Payloads Project Specification
• C-DEL — complete delivery
• F&IE — Facilities And Industrial Engineering
• C/S/P — cost/schedule/performance
• K-DPM — KSC DOD Payloads Plan/Requirement
• K-MMSEN — KSC MMSE Notice
• K-CITEM — KSC CITE Plan/Requirement
• K-MMSEM — KSC MMSE Plan/Requirement
• ISO — International Organization for Standardization
• LLL — Limited-Life List
• G&N — Guidance and Navigation
• K-DPN — KSC DOD Payloads Notice
• IP — Internet Protocol
• I/OMI — integration, operations, and maintenance instruction
• K-APN — KSC Automated Payloads Notice
• K-MMSEPS — KSC MMSE Project Specification
• K-IUSM — KSC IUS Plan/Requirement
• C&DSS — communication and data subsystem
• H/SIR — hardware and software integration review
• K-APPS — KSC Automated Payloads Project Specification
• C-RFE — C-band RF electronics
• CO2 — Carbon Dioxide
• ISP — Internet Service Provider
• DA&E — Data Analysis and Evaluation
• CBC — Complete Blood Count
• E/B — equipment bay
• CY — Calendar Year
• K-IUSPS — KSC IUS Project Specification
• K-SLPS — KSC Spacelab Project Specification
• DA&D — Data Acquisition and Distribution
• G/N — general notes
• M&RF — Maintenance And Refurbishing Facility
• AA — Affirmative Action
• C/SCS — Cost/Schedule Control System
• CDR — Critical Design Review
• K-SPN — KSC Shuttle Project Notice
• C/DPM — cost/design performance management
• MOU — Memorandum of Understanding (an MOU between Food & Drug Administratin and a regulatory agency in another country allows mutual recognition of inspections)
• K-SSS — KSC Shuttle Project Station Set Specification
• EST — Eastern Standard Time
• D&PA — design and product assurance
• I/OB — input/output bus
• K-SPS — KSC Shuttle Project Specification
• AADEW — attack assessment for directed-energy weapon
• L-RFE — L-band RF electronics
• K-SLM — KSC Spacelab Plan/Requirement

• CCB — Change Control Board
• K-SLN — KSC Spacelab Notice
• F&P — fluids and propulsion
• K-SM — KSC Shuttle Management Document
• WBS — Work Breakdown Structure
• MCRDF — mission configuration requirements data file
• FA< — first approach and landing test
• I/FU — interface unit
• CEO — Chief Executive Officer
• BTU — British Thermal Unit
• J-T — Joule-Thompson
• EAP — Employee Assistance Program
• D* — normalized detectivity
• MA&P — Maintenance Analysis And Planning
• I/OT — input/output test
• J-FACT — joint flight acceptance composite test
• G/AIT — ground/airborne IGS terminal
• CAALIS — computer-aided assembly-line inspection system
• AACPSM — actual average cost per successful mission
• M/PHE — material or personnel handling equipment
• L&LS — launch and landing site
• J-CLOT — joint closed-loop operations test
• G-II — Gulfstream II
• I&C/O — installation and checkout
• MADCS — modular attitude determination and control system
• G&CI — guidance and control integration
• SSI — Server Side Include
• CLIN — Contract Line Item Number
• E&DSG — Electro-Optical and Data Systems Group
• GA&CS — Ground Acquisition and Command Station
• SME — Subject Matter Expert
• LANDSAT-7 — Land Remote Sensing Satellite
• AIAA — American Institute of Aeronautics and Astronautics, Inc.
• LANI5 — lanthanum pentanickel
• DEC — Digital Equipment Corporation
• I/OP — inboard/outboard profile
• MA&SE — mission analysis and system engineering
• DAMMPS — damping and metal matrix for precision structure
• AHRS — Attitude Heading Reference System
• ASA — American Standards Association
• G&CEP — guidance and control equipment performance
• FY — Fiscal Year
• M/LR — Maintenance Loop Recorder
• ARPA — Advanced Research Projects Agency (made early internet)
• M-M-L-S — Model-Modes-Loads-Stresses
• AVO — avoid verbal orders
• ADP — Automated Data Processing
• DANASAT — direct-ascent nuclear ASAT
• ASME — American Society of Mechanical Engineers
• DARPA/LL — DARPA Lincoln Laboratory

• PCB — printed circuit board
• CCB — Configuration Control Board
• TBD — To Be Determined
• DARPA — Defense Advanced Research Projects Agency (US)
• CA — California
• CBO — Congressional Budget Office
• ATA — Area Transportation Authority
• CDRL — Contract Data Requirements List
• CD — Compact Disc
• IBM — International Business Machines Corporation
• ESA — European Space Agency
• NSF — National Sanitation Foundation
• BBS — Bulletin Board System
• SDD — Software Design Document
• HMO — Health Maintenance Organization
• DOT — Department of Transport
• PD — Position Description
• EOF — End Of File
• QA — Center for Quality Assurance in International Education
• MORT — management oversight and risk tree
• HVAC — Heating, Ventilation, and Air Conditioning
• AGC — Automatic Gain Control
• CAE — Computer-Aided Engineering
• JIT — Just in time
• M&O — Maintenance and Operations
• FAR — Federal Acquisition Regulation
• SAR — Search And Rescue
• GNP — gross national product (economics)
• ICAO — International Civil Aviation Organization
• ABRES — antiballistic reentry system
• AM — Amplitude Modulation
• DES — Data Encryption Standard
• ASL — Above Sea Level
• AS/RS — automated storage and retrieval system
• ASM — American Society for Metals International
• AK — Alaska
• AGL — Above Ground Level
• BOD — Board of Directors (Budget)
• STD — Standard
• EDM — Engineering Development Model
• ECN — Engineering Change Notice
• CBT — Computer Based Training
• DRAM — Dynamic Random Access Memory (dee-ram) (computing)
• ATC — Air traffic control
• SIC — Standard Industrial Classification (Code)
• ACM — Association for Computing Machinery
• CONUS — Continental United States (48 Contiguous States and DC)
• JOA — joint operating agreement
• AOP — Annual Operating Plan
• ADC — Air Data Computer

• GSA — U.S. General Services Administration
• BP — Blood Pressure
• CFR — Code of Federal Regulations
• ACWP — actual cost for work performed
• DOE — United States Department of Energy (government)
• BOD — Beneficial Occupancy Date
• MHZ — Megahertz (Megacycles Per Second)
• ACRS — Accelerated Cost Recovery System (finance)
• A/S — Airspeed
• IDG — Integrated Drive Generator
• MD — Maryland
• ESOW — Engineering Statement of Work
• CAR — Corrective Action Request
• MOPA — Master Oscillator Power Amplifier
• A&PS — Administration and Program Support
• NPD — NASA Procedural Directive
• ACO — Administrative Contracting Officer  
• LNG — Liquefied Natural Gas
• CH4 — Methane, Natural Gas
• ITU — International Telecommunication Union
• MB — Megabyte
• PM — Program Manager
• BOM — Bill of Material
• BAFO — Best and Final Offer
• HQ — Headquarters (HDQ Preferred)
• AP&P — advanced plans and programs
• FORTRAN — FORmula TRANslation (a computer language)
• BP — Boiling Point
• CASB — Cost Accounting Standards Board
• FRAGNET — Fragmented Network
• PLC — Programmable Logic Control
• AST — Arabic Standard Time
• DOS — Disk Operating System
• ERISA — Employee Retirement Income Security Act
• AMRO — AMR operations
• APU — Auxiliary Power Unit
• IDL — Indentured Drawing List
• ALC — Air Logistics Center
• HZ — cycles per second (hertz)
• DBA — Data Base Administrator
• IAW — In Accordance With
• A — Analog
• LOL — Limit of Liability
• PCB — Polychlorinated Biphenyls
• AFCS — Automatic Flight Control System
• DITMO — development, integration, test, and mission operations
• FICA — Federal Insurance Contribution Act
• GAO — Government Accountability Office [formerly the General Accounting Office]
• JAXA — Japan Aerospace Exploration Agency
• ADC — Aerospace Defense Command

• CAS — Configuration Accounting System
• CCM — counter-countermeasure
• FRJD — Forward Reaction Jet Driver
• CCSDS — Consultative/Consultative Committee for Space Data Systems
• GYM — General José María Yáñez International Airport, Guaymas, Mexico
• DFD — Data Flow Diagram
• GERT — graphical evaluation and review technique
• GIF — Graphic Interchange Format
• ACL — Access Control List
• ALC — Automatic Level Control
• DBM — Data Base Management
• ADPE — Automatic Data Processing Equipment
• AWG — American Wire Gauge
• CICA — Competition in Contracting Act (1984)
• AT&T — American Telephone & Telegraph
• BM — Branch Manager
• COCOMO — COnstructive COst MOdel
• FM — frequency modulation
• KB — Keyboard
• MBO — Management by Objective
• ASCE — l'American Society of Civil Engineers
• VHF — Very High Frequency
• CASE — computer-automated software engineering
• KBS — Knowledge-Based System
• HW — Hardware
• DUNS — Data Universal Numbering System
• MIL — Military
• AU — Astronomical Unit
• ISS — International Space Station
• SDB — Small Disadvantaged Business
• GPO — Government Printing Office
• AIIM — Association for Information and Image Management International
• ATP — Authority To Proceed
• CMA — Configuration Management Accounting
• CHEM — Chemistry
• EQUIP — Equipment
• C — Center
• BAU — Business As Usual
• LOS — Line Of Sight
• AF — Air Force
• BWG — Birmingham Wire Gauge
• GE — General Electric American Communications Inc.
• COI — Conflict Of Interest
• Y2K — Year 2000
• MTBD — Mean Time Between Demand
• AIA — Aircraft Industries Association
• IOC — Initial Operational Capability
• SCR — Selective Catalytic Reduction
• DTE — Data Terminal Equipment
• CU — Control Unit

• AFC — Automatic Frequency Control
• BP — bid and proposal
• DMSP — Defense Meteorological Satellite Program (U.S.)
• CNC — Computer Numerical Control
• MIN — Minute
• AEM — Assembly and External Maintenance
• MIN — Minimum
• CAI — Computer-Aided Instruction
• LSAS — Logistics Support Analysis Strategy
• AI — Artificial Intellegence
• STS — Space Transportation System
• CMD — Command
• MINW — Master Interface Network
• ASQC — American Society for Quality Control's
• EM — Electromagnetic
• LRR — Launch Readiness Review
• AISI — American Iron and Steel Institute
• AICE — American Institute of Chemical Engineers
• CM — Configuration Management
• ACR — Actual Cost Report
• ADS — Astrophysics Data System
• DCAA — (U.S.) Defense Contract Audit Agency
• AES — Auger Electron Spectroscopy
• EW — Electronic Warfare
• CBARS — classified baseline accounting and reporting system
• FDMA — Frequency Division Multiple Access
• DBCR — Data Base Change Request
• APT — automatic programmed tool
• ELINT — Electronic Intelligence Satellite
• VPP — Voluntary Protection Program
• CONOPS — Concept of Operations
• BAC — Boeing Aerospace Company
• ATS — applications technology satellite
• LWOP — Leave Without Pay
• TV — Television
• IBEW — International Brotherhood of Electrical Workers
• COBOL — Common Business-Oriented Language
• CARS — Configuration Accounting and Reporting System
• A/N — Alphanumeric
• CRC — Contrôle de Redondance Cyclique (French: Cyclic Redundancy Check)
• CDMS — Command and Data Management System
• DR/MR — discrepancy report/material review
• BW — Bandwidth
• FORD — Flight Operations Requirement Document
• GMLCC — Ground Mobile Launch Control Center
• CVAS — Configuration Verification Accounting System
• AFSCN — Air Force Satellite Control Network
• HWCI — Hardware Configuration Item
• ATR — Air Transport Rack
• CAP — Cost Account Package (NASA)

• AEC — Atomic Energy Commission (superseded by ERDA)
• FMCS — Federal Mediation and Conciliation Service
• LANL — Los Alamos National Laboratory
• FDDI — Fiber Distributed Data Interface
• ARC — Ames Research Center (NASA)
• EGA — Evolved Gas Analysis
• ERB — Engineering Review Board
• IRS — Interface Requirements Specification
• IR — Infrared
• GAO — Government Accounting Office
• E-MAIL — Electronic Mail
• ASAP — Aerospace Safety Advisory Panel
• BME — Bench Maintenance Equipment
• VTC — Video Teleconference
• CMVAS — configuration management verification accounting system
• AL — Approach and Landing
• I/O — Input/Output
• CESA — Canadian Engineering Standards Association
• ALV — Advanced Logistics Vehicle
• ATS — Advanced Technology Satellite
• MECAS — mission equipment configuration accounting system
• AIEE — American Institute of Electrical Engineers
• AGMA — American Gear Manufacturer's Association
• ALMS — Automated Logistics Management System
• AUC — Average Unit Cost
• DAZE — different-alpha zero-strain E
• ISAS — Institute of Space and Astronautical Sciences (Japan)
• EMT — Electrical Metallic Tubing
• GB — Gigabyte
• FIFO — first in/first out
• EMF — Electromotive Force
• FUI — Federal Unemployment Insurance
• ATP — Acceptance Test Procedure
• APMSM — assembly phase maintenance simulation model
• BMB — Base Maintenance Building
• RFS — Request For Service
• ECCM — electronic counter-countermeasures (electromagnetic spectrum)
• CN — Change Notice
• DMPI — Desired Mean Point of Impact
• MGI — Management Group Identifier
• LCC — Life Cycle Cost
• MBAR — Marshall Baseline Accounting and Reporting
• C — Celsius
• ELF — Extremely Low Frequency
• MOE — Measure Of Effectiveness
• LSUR — launch site utilization report
• STTR — Small Business Technology Transfer
• APL — Average Picture Level
• JFAS — Jet Fuel Accounting System
• ACE — Advanced Composition Explorer

• ERM — Executive Review Meeting
• MIRS — management information and reporting system
• PIN — Personal Identification Number
• BITE — Built-In Test Equipment
• ACRIM — Active Cavity Radiometer Irradiance Monitor (EOS)
• AMU — Astronaut Maneuvering Unit
• AR — As Required
• ASK — amplitude shift keying
• CFD — computational fluid dynamics
• AFLC — Air Force Logistics Command's
• CDMA — Code Division Multiple Access (voice/data transmission)
• EPROM — Erasable Programmable Read-Only Memory
• JPL — Jet Propulsion Laboratory (California Institute of Technology) (NASA)
• ALGOL — Algorithmic Language
• ADF — Automatic Direction Finder
• AIS — Airborne Imaging Spectrometer
• UPS — Uninterruptible Power Supply
• OSO — Orbiting Solar Observatory
• EDMS — Electronic Data Management System
• MACS — Management and Control System
• ADC — Analog-Digital Converter
• LMT — Logistics Management Transfer
• IGOR — Intercept Ground Optical Recorder
• AFBMA — Antifriction Bearing Manufacturing Association
• EIM — Engineering Information Management
• CAD — Computer-Aided Design
• CR — Change Request
• A&L — Approach and Landing
• GATT — gate-assisted turnoff thyristor
• LPE — Liquid Phase Epitaxy
• DSP — Digital Signal Processor
• AFM — Air Force Manual
• BDS-2 — booster phase detection system
• ECC — Emergency Control Center
• AAP — Affirmative Action Program
• CCN — Contract Change Notice
• COIL — Chemical Oxygen-Iodine Laser
• BMB — Bench Maintenance Building
• ATF — Advanced Tactical Fighter
• CMTS — Computerized Maintenance Test System
• AFSAT — Air Force Satellite
• ADL — Avionics Development Laboratory
• AP — Access Panel
• A&P — Attitude and Pointing
• FAPE — Florida Association of Professional Employees
• HR — Hour
• BP — Blueprint
• ACPM — Attitude Control Propulsion Motor
• KE — Kinetic Energy
• APD — Avalanche Photo Diode

• AA — Associate Administrator
• JSC — Johnson Space Center (Houston, TX)
• NIS — Network Information System
• ECCB — Engineering Change Control Board
• ACP — Airborne Command Post
• AFALD — Air Force Acquisition Logistics Division
• A/C — Aircraft
• AFB — Air Force Base (USAF)
• ADC — Air Defense Command
• MRE — Material Review Engineering
• AOCS — Attitude and Orbit Control System
• VOL — Volume
• ALS — Automatic Landing System
• ARA — Attitude Reference Assembly
• AGE — Aerospace Ground Equipment
• DILSA — distributed integrated logistics support analysis
• M&P — Materials and Processes
• AIDS — Airborne Integrated Data System
• EMRL — Equipment Maintenance Requirements List
• BOA — Broad Ocean Area
• LOC — Lines Of Code
• A&CO — activation and checkout
• ALS — advanced logistics system
• AFWAL — Air Force Wright Aeronautical Laboratory
• AFO — Announced Flight Opportunity
• ACE — Attitude Control Electronics
• ACU — Avionics Cooling Unit
• MS — Management System
• ID&D — inspection damage and discrepancy
• EWO — Engineering Work Order
• LR/LD — Line Receiver/Line Driver
• ISMS — Interactive Supply Management System
• FLT — Flight
• LOIS — Logistics Information Simulator
• LLT — Long Lead Time
• ABM — Apogee Boost Motor
• LSACN — logistics support analysis control number
• AFC — Automatic Flight Control
• ISF — Industrial Space Facility
• MIMR — Monthly Integration Management Review
• BFS — Backup Flight Software
• M&C — Maintenance And Checkout
• HNCO — high-precision numerical-controlled oscillator
• CIL — critical items list
• AAE — American Association of Engineers
• CB — Circuit Breaker
• J — Joule
• BIT — Built-In Test
• MIO — Management Integration Office
• EIA — Electrical Industries Association

• RID — Review Item Discrepancy
• GFE — Government-Furnished Equipment
• LIU — Line Interface Unit
• MBPS — Megabytes Per Second
• MRDA — Mission Requirements Definition and Analysis
• C3 — Command, Control, and Communications
• CCR — Contract Change Record
• AFGL — Air Force Geophysics Laboratory
• DNS — Domain Name Server
• AOS — Acquisition Of Signal
• A&R — Assembly and Recycle
• JOD — Joint Occupancy Date
• AB — Avionics Bay
• AI — Action Item
• HW/SW — Hardware/Software
• DH — Decision Height
• LRIP — Low-Rate Initial Production
• EHF — Extremely High Frequency
• ACAP — Advanced Computer Airframe Program
• PIO — Public Information Office
• CALS — Computer-Aided Acquisition and Logistics Support (CAALS)
• MBM — Magnetic Bubble Memory
• BFC — Backup Flight Control
• FDK — Flight Display Keyboard
• AFT — Atmospheric Flight Test
• IF — Intermediate Frequency
• ASD — Aeronautical Systems Division
• AABNCP — Advanced Airborne National Command Post
• GHZ — Gigahertz
• DD&T — design, development, and test
• EAC — Estimate At Completion
• COBE — Cosmic Background Explorer Satellite (NASA)
• EMISM — Electromagnetic Interference Safety Margin
• ABE — air-based electronics
• AOC — Annual Operating Cost
• ACS — Attitude Control System
• DMF — Depot Maintenance Facility
• MSFC — Marshall Space Flight Center (Huntsville AL)
• FR — Frame Relay
• DOS — United States Department of State
• CC — Control Center
• ATS — Acceptance Test Specification
• LLC — Logical Link Control
• DSCIM — Display System Computer Input Multiplexer
• MEOP — Maximum Expected Operating Pressure
• AG — Artificial Gravity
• GSF — Gyro Scale Factor
• CCU — Central Control Unit
• FCAP — Flight Control Applications Program
• ANL — Automatic Noise Limiter

• FID — Flight Implementation Directive
• AMR — Atlantic Missile Range
• ELM — Experimental Logistics Module
• MTBCF — Mean Time Between Critical Failures
• A&R — Automation and Robotics
• DMCF — deservicing, maintenance, and checkout facility
• ISO — Infrared Space Observatory
• BM — Bench Maintenance
• DPS — Data Processing System
• STP — Space Test Program
• FRB — Failure Review Board
• MEBA — Marine Engineers' Beneficial Association
• SMS — Shuttle Mission Simulator
• ASL — Approved Source List
• ABL — Airborne Laser
• LOGCENT — Logistics Control Center
• IQT — Initial Qualification Training
• LEA/MP — logistics engineering analysis and maintenance planning
• AFSCF — Air Force Satellite Control Facility
• EOS — Earth Observation Satellite
• GOASEX — GULF OF ALASKA SEASAT EXPERIMENT
• LDRP — Logistics Depot Repair Procedure
• FCV — Flow Control Valve
• ID&C — integrated displays and controls
• LSAR — Logistics Support Analysis Record/Report
• FAX — Facsimile
• AAFE — Advanced Applications Flight Equipment
• CRES — Corrosion Resistance Steel
• CCAFS — Cape Canaveral Air Force Station, an air force base in Florida where NASA launches satellites from.
• CSTC — Consolidated Space Test Center
• ABMA — Army Ballistic Missile Agency
• DCN — Document Control Number
• BFS — Backup Flight System
• KIMS — KSC Inventory Management System
• CDI — Course Deviation Indicator
• HEOO — Honeywell Electro-Optical Operations
• AFS — Air Force Station
• DHS — Department of Human Services
• MPB — Maintenance Parts Breakdown
• EADI — Electronic Attitude Director Indicator
• A/A — Air-to-Air
• VSOP — VLBI Space Observatory Program
• CER — Cost Estimating Relationship
• DOC — United States Department of Commerce
• AFD — Aft Flight Deck
• ACI — Allocated Configuration Identification
• ERBS — Earth Radiation Budget Satellite
• LARC — Langley Research Center (NASA)
• ADAMS — Automated Dynamic Analysis of Mechanical Systems
• AOQL — Average Outgoing Quality Limit

• BSP — Business System Planning
• NAC — National Agency Check
• AFSTC — Air Force Space Technology Center
• SAS — Small Astronomy Satellite
• TOR — terms of reference (ICAO/FAA)
• ASIC — application-specific integration circuit
• EPDM — Ethylene Propylene Diene Monomere
• AF — Aft Fuselage
• AOI — Area Of Interest
• AAIR — Advanced Atmospheric sounder and Imaging Radiometer
• CEQ — Council on Environmental Quality (U.S.)
• BMTS — Bench Maintenance Test Set
• MCIS — Material Control and Information System
• ATG — Aerospace Test Group
• MEL — Minimum Equipment List
• LAMPS — Light Airborne Multipurpose System (Helicopter)
• C/O — Checkout
• ABNCP — Airborne National Command Post
• AKM — Apogee Kick Motor
• M&F — Manufacturing and Facilities
• ATO — Abort To Orbit
• FCDB — Flight Control Data Bus
• FL — Florida
• ADADL — Ada design and documentation language
• USRA — Universities Space Research Association
• M&M — Materials And Maintenance
• MCW — Modulated Continuous Wave
• FDL — Flight Director Loop
• A/D — Analog-to-Digital
• USNO — United States Naval Observatory
• LOR — Lunar Orbit Rendezvous
• BFCS — Backup Flight Control System
• DDN — U.S. Defense Data Network
• ASG — Aeronautical Standards Group
• FAO — FLIGHT ACTIVITIES OFFICER
• EWR — Engineering Work Request
• BHP — Brake Horse Power
• LMDS — Logistics Management Data System
• EDR — Engineering Design Review
• SAR — synthetic aperture radar (satellite)
• CLMC — Central Logistics Management Center
• ODY — Odyssey
• BSEE — Bachelor of Science degree in electrical engineering
• BS — Beam Splitter
• MB — Megabit
• MECR — Maintenance Engineering Change Request
• ACDA — Arms Control and Disarmament Agency's
• JTG — Joint Training Group
• AISC — American Institute of Steel Construction, Inc.
• DC — District of Columbia

• GDOP — Geometric Dilution Of Precision
• AI/ES — artificial intelligence/expert system
• NM — New Mexico
• EIRP — Effective Isotropic Radiated Power
• DIA — Defense Intelligence Agency (USA)
• LBSP — Logistics Business Systems Plan
• ADP — Acceptance Data Package
• AFDO — Aft Flight Deck Operator
• ARS — American Rocket Society
• LVIS — Logistics Verification Information System
• ELT — Emergency Locator Transmitter
• QRA — Quantitative Risk Assessment
• MAWG — Maintenance Analyzer Working Group
• ARTCC — Air Route Traffic Control Center
• PMP — Program Management Plan
• CAP — Computer Application Program
• DCASR-LA — Defense Contract Administration Services Region, Los Angeles
• I/F — Interface
• CCN — Contract Change Notification
• ATP — Acceptance Test Plan
• MSAD — Materials Summary Acceptance Document
• FCTB — Flight Crew Training Building
• KSC — John F. Kennedy Space Center
• DLSC — Defense Logistics Service Center
• DSAD — Data Systems and Analysis Directorate
• LCV — Logistics Cargo Vehicle
• EPMS — Engineering Performance Management System
• ARS — Attitude Reference System
• LDR — Low Data Rate
• FO-FO-FS — fail operational/fail operational/fail safe
• AOD — Aircraft Operations Division
• BFSS — Backup Flight Software System
• ASO — Aviation Safety Office
• ATC — Air Training Command
• AFAPL — Air Force Aero Propulsion Laboratory
• AACS — Attitude and Antenna Control System
• AET — Aerosurface End-to-end Test
• AA — Airplane Avionics
• DTS — Data Transfer System
• ESMC — Eastern Space And Missile Center (formerly AFETR)
• CA — Carrier Aircraft
• MERSAT — Meteorology And Earth Observation Satellite
• MFF — MDM Flight Forward
• SV — Space Vehicle
• AFDE — Aft Flight Deck Equipment
• LLNL — The Department of Energy's Lawrence Livermore National Laboratory in Livermore, California
• ADR — Aerospace and Defense Research
• FM/PM — Frequency Modulation/Phase Modulation
• AMPS — Atmospheric Magnetospheric Plasma System
• IP — International Partner

• FCDC — Flexible Confined Detonating Cord
• MMF — Magnetomotive Force
• DSR — Data Storage and Retrieval
• CDA — Command and Data Acquisition
• DID — data item description
• ABE — air-breathing engine
• CAA — Civil Aeronautics Administration
• MAN — Microwave Aerospace Navigation
• ERTS — Earth Resources Technology Satellite (now Landsat)
• RM — Risk Management
• AOA — Airborne Optical Adjunct
• ABI — Avionics Bus Interface
• ALTR — Approach and Landing Test Requirement
• LOI — Lunar Orbit Insertion
• ASTRA — Advanced Star Tracker
• AIL — Avionics Integration Laboratories
• GSFC — Goddard Space Flight Center (Greenbelt, MD)
• AFSC — United States Air Force specialty code
• MPAR — Maintainability Problem and Assessment Report
• AFOTEC — Air Force Operational Test and Evaluation Center's
• ASE — Airborne Support Equipment
• ACIP — Aerodynamic Coefficient Instrumentation Package
• ACMS — Automated Configuration Management System
• LPLWS — Launch Pad Lightning Warning System
• BASD — Ball Aerospace Systems Division
• AFRPL — Air Force Rocket Propulsion Laboratory (USA)
• SRS — Software Requirements Specifications
• AOA — Angle Of Attack
• HK — Housekeeping
• CFP — Conceptual Flight Profile
• FTPF — Flight and Training Planning Facility
• LMRT — Logistics Management Responsibility Transfer
• MFA — Manned Flight Awareness
• ADFRF — Ames/Dryden Flight Research Facility
• ALT — approach and landing test
• ARRA — American Recovery and Reinvestment Act
• AUTOVON — Automatic Voice Network
• EMCON — Electromagnetic Emission Control
• IMS — Information Management System (LTPP)
• ATA — Advanced Tactical Aircraft
• FDAI — Flight Director Attitude Indicator
• ABL — aircraft-based laser
• AMEC — Aft Master Events Controller
• ERSIR — Earth Resources Shuttle Imaging Radar
• BFO — Beat Frequency Oscillator
• ACPS — Attitude Control Propulsion System
• AWS — American Welding Society's
• ALS — Advanced Launch System
• ATA — Avionics Test Article
• LSCA — Logistics Support Cost Analysis

• LEA — Logistics Engineering Analysis (Analyses)
• BASS — Backup Avionics System Software
• APL — Applied Physics Laboratory (at Johns Hopkins)
• MLW — Maximum Landing Weight
• MOSPO — Mobile Satellite Photometric Observatory
• QPSK — aeronautical quadrature phase shift keying
• MGE — Maintenance Ground Equipment
• INS — Inertial Navigation System
• JCL — Job Control Language
• ESRO — European Space Research Organisation
• FAB — Flight Assignment Baseline
• VC — Virtual Channel
• DC&I — documentation, control, and integration
• BMS — Background Measurement Satellite
• AA — Accelerated Assembly
• LQR — Linear Quadratic Regulator
• DOP — Detailed Operating Procedure
• CFAR — Constant False Alarm Rate
• SSP — Space Shuttle Program
• AHP — Analytical Hierarchy Process
• AO — Analog Output
• BIU — Bus Interface Unit
• APCA — Aft Power Controller Assembly
• MOL — Manned Orbital Laboratory
• LIS — Logistics Information System
• OIG — Office of Inspector General
• ABMCP — airborne military command post
• BHN — Brinell Hardness Number
• AGCU — Attitude Gyro Coupling Unit
• ACPM — Associate Contractor Program Manager
• STK — Satellite Tool Kit
• AMI — Alpha/Mach Indicator
• AIME — American Institute of Mechanical Engineers
• CAM — Civil Aeronautics Manual
• ROSAT — Roentgen Satellite
• ASKA — Automatic System for Kinematic Analysis
• FFSAC — field functional systems assembly and checkout
• OSSE — Oriented Scintillation Spectrometer Experiment
• OC — Optical Carrier
• AP — access point
• AWS — Air Weather Service
• ACME — Attitude Control and Maneuvering Electronics
• ACA — Attitude Controller Assembly
• LADS — Logistic Automated Data System
• AFD — Assistant Flight Director
• APLM — Applications Program Library Maintenance
• AFA — Airframe Assembly
• ABES — air-breathing engine system
• EIDP — end item data package
• AC — Aerodynamic Center

• KSCAP — Kennedy Space Center Area Permit
• SDR — Software Defined Radio
• ALL — Airborne Laser Laboratory
• HUD — Head-Up Display
• ARDC — Air Research and Development Command
• EPS — Electrical Power Subsystem
• CLS — Contingency Landing Site(s)
• AEDC — Arnold Engineering Development Center
• FU — Flight Unit
• ID — IDentifier
• AM — Ante Meridiem
• APL — applications program library
• LDIU — Launch Data Interface Unit
• CB — Control Board
• LCC — Launch Commit Criteria
• ABCP — Airborne Command Post
• EEEU — End Effector Electronics Unit
• MON — Monitor
• SDR — System Design Review
• SA — Single Access
• MLG — Main Landing Gear
• MODART — method of defeating advanced radar threats
• A&A — Advertise and Award
• AASM — Association of American Steel Manufacturers
• IDBMS — Integrated Data Base Management System
• A/P — Airport
• L&D — Landing And Deceleration
• ADCR — Applicable Document Contractual Record
• GSR — Galvanic Skin Response
• ACN — Ascension Island
• FED — Flight Events Demonstration
• ACUO — Avionics Cooling Unit Operator
• ASA — Advanced System Avionics
• GFY — Government Fiscal Year
• ACEL — Air Crew Equipment Laboratory
• IRM — Information Resources Management
• C/B — Circuit Breaker
• ADI — Attitude director indicator
• AES — American Electrochemical Society
• ACPO — Associate Contractor Project Office
• CPAF — Cost Plus Award Fee (Type of Contract)
• ATE — Automatic Test Engineer
• COFW — Certificate of Flight Worthiness
• AD — Associate Director
• ASD — advanced systems development
• AA — air-to-air
• ATR — Air Transport Radio
• ARU — Attitude Reference Unit
• AFAL — Air Force Astronautics Laboratory
• LWG — Logistics Working Group

• CAR — Contractual Action Request
• LSMDB — logistics simulation models and data bases
• CBR — California Bearing Ratio
• ADL — Ada Design Language
• FHST — fixed-head star tracker
• CVD — Chemical Vapor Deposition
• FCOD — Flight Crew Operations Directorate
• AMS — Aeronautical Material Specification
• FMO — Flight Medical Officer
• LCC — Launch Control Center (KSC)
• INASSB — indium-arsenide-antimonide
• AFSC — Air Force Space Command
• ABM — Advance Bill of Materials
• FCTS — Flight Crew Trainer Simulator
• ASI — Airspeed Indicator
• FD — Flight Dynamics
• MMS — Multimission Modular Spacecraft
• CCO — Customer Contracting Officer
• CAB — Civil Aeronautics Board
• EDCC — Engineering Drawing Control Center
• FEWG — Flight Evaluation Working Group
• FIA — Flight Integration Assessment
• DBCI — DB With Respect To A Circular Polarized Antenna
• MMDS — Maintenance Management Data System
• ALAS — Approach/Landing Autopilot Subsystem
• AM — Aeromedical Monitor
• MSB — Most Significant Bit
• MSCB — Manufacturing Status Control Board
• AGAA — Attitude Gyro Accelerometer Assembly
• FQI — Flight Qualification Instrumentation
• AML — Approved Materials List
• AD — Advanced Development
• DVM — Digital Voltmeter
• ANMCC — Alternate National Military Command Center
• LSSL — Life Sciences Space Laboratory
• ARIA — Advanced Range Instrumentation Aircraft
• FCEF — Flight Crew Equipment Facility (At KSC)
• EPM — Engineering Project Manager
• ACM — Acquisition Control Module
• DOMSAT — Domestic Satellite
• STS — Synchronous Transport Signal
• LISP — List Processing Language
• MPRAS — multipath redundant avionics suite
• AOM — acoustic-optic modulator
• MEWG — Maintenance Engineering Working Group
• CDI — Contract Definition Instruction
• AFS — Ascent Flight System
• AOC — Auxiliary Output Chip
• BMO — Business Management Office
• FRDR — Flight Readiness Design Review

• AMO — Aerospace Medical Operations
• FDOR — Flight Design Operations Review
• ST — Space Telescope
• ATCO — Ambient Temperature Catalytic Oxidizer
• MS-DOS — Microsoft Disk Operating System
• ACIP — Aerodynamic Coefficient Identification Package
• FFM — free-flying module
• ASN — Average Sample Number
• AXAF — Advanced X-Ray Astrophysics Facility
• AVL — Avionics Verification Laboratory
• ATC — Aircraft Target Computer
• LNA — Low-Noise Amplifier
• IHA — Interface Hazard Analysis
• AMLS — Advanced Manned Launch System
• CRRES — Combined Release and Radiation Effects Satellite
• ILA — Instrument Landing Approach
• AFFTC — Air Force Flight Test Center
• ABLE — Airborne Laser Evaluation
• MIPS — Merritt Island Press Site
• ASR — Air-Sea Rescue
• MP&C — Maintenance Planning And Control
• A/S — Ascent Stage
• ABD — Airborne Ballistics Division
• FRR — Flight Readiness Review
• MSVP — Master Shuttle Verification Plan
• IMLEO — Initial Mass in Low Earth Orbit
• CAD — Computer-Aided Dispatch
• AMPR — aeronautical manufacturer's planning report
• A/P — Autopilot
• ATH — Above the Horizon
• DDC — Direct Digital Control
• CDD — Common Data Dictionary
• FDRI — Flight Director Rate Indicator
• CD — Candela
• A&E — Architectural and Engineering
• ASCP — Attitude Set Control Panel
• FOD — Flight Operations Directorate
• DP/DT — Delta Pressure/delta Time
• FAFS — Falcon Air Force Station
• AOT — Avionics Overall Test
• ACEU — AeroControl Electronics Unit
• AEM — Acoustical Emission Monitoring
• CIDL — Configuration Item Data List
• DIDS — Defense Integrated Data System
• CC — Carbon-Carbon
• EGSE — Electrical Ground Support Equipment
• BAC — Booster Assembly Contractor
• CAP — Corrective Action Plan
• FEDP — Facility and Equipment Design Plan
• FSO — Facility Security Officer

• DFRF — Dryden Flight Research Facility
• BSME — Bachelor of Science degree in mechanical engineering
• FHF — First Horizontal Flight
• BMO — Ballistic Missile Office
• AFWL — Air Force Weapons Laboratory
• FCIM — Flight Control Interface Module
• AMFL — Aeromedical Field Laboratory
• IDWA — Interdivisional Work Authorization
• AMI — airspeed/Mach indicator
• ATL — Avionics Test Laboratory
• EDS — Earth Departure Stage
• CASS — Consolidated Automated Support System
• UMA — University of Massachusetts Amherst
• HCL — Hydrogen Chloride
• AUB — Aft Utility Bridge
• FCSM — Flight Combustion Stability Monitor
• BAC — Boeing Aircraft Company
• ASRM — Advanced Solid Rocket Motor
• ADCS — Attitude Determination and Control Subsystem
• ASPP — Atmospheric and Space Plasma Physics
• AIDE — Aerospace Installation Diagnostic Equipment
• ASEA — American Society of Engineers and Architects
• CI — Configuration Item
• ASRM — Abort Solid Rocket Motor
• EGO — Eccentric Geophysical Observation
• CTCI — Contract Technical Compliance Inspection
• BAI — Barometric Altitude Indicator
• CAPS — Common Attitude Pointing System
• COF — CONSTRUCTION OF FACILITIES
• NPD — NASA Policy Directive
• AAE — Aerospace Auxiliary Equipment
• SMDS — Switched Multimegabit Data Service (ATM)
• DEMUX — Demultiplexer
• HLLV — Heavy-Lift Launch Vehicle
• CAM — Carrier Aircraft Modification
• MMACS — Maintenance Management and Control System
• FFTO — Free-Flying Teleoperator
• AOT — Avionics Operating Time
• DOY — Day of Year
• CPIC — Computer Program Integration Contract
• ABETS — airborne beacon test set
• HCI — hardness-critical item
• CNWDI — Critical Nuclear Weapons Design Information
• CAB — Corrective Action Board
• EOI — Earth Orbit Insertion
• CBIL — common and bulk items list
• AFC — Aerodynamic Flight Control
• AGREE — Advisory Group in Reliability of Electronic Equipment
• MTB — Materials Testing Branch
• A-G — Air-to-Ground

• SV — Schedule Variance
• ADB — Aerodynamic Data Book
• DITMCO — Drive-In Theater Manufacturing Company's wire harness insulation analyzer
• DNC — Direct Numerical Control
• ATDP — Aircraft Target Data Program
• ACPL — Assembly Component Parts List
• EVA — Extra-Vehicular Activity
• AFOSH — Air Force Occupational Safety and Health
• CDID — Contract Data Item Description
• FCIP — Flight Cargo Implementation Plan
• LOLI — limited-operational-life items
• GDS — Ground Data System
• SLOC — Source Lines Of Code
• EPOC — External Payload Operations Center
• FRCI — Fibrous Refractory Composite Insulation
• AMST — Advanced Medium STOL Transport
• LMSS — Lunar Mapping and Survey System
• CRC — Communications Research Centre Canada
• AFSC — Air Force Systems Command
• ADMS — Automated Data Management System
• ACD — Architectural Control Document
• ALC — Automatic Light Control
• AFSD — Air Force Space Division
• MAPTIS — Materials and Processes Technical Information System
• BMAG — Body-Mounted Attitude Gyro
• CSMA/CD/TS — carrier sense multiple access/collision dlot
• CALST — Cornell Aeronautical Laboratory Shock Tunnel
• GIBIS — Graphical Issue-Based Information System
• ABCL — as-built configuration list
• US — Upper Stage
• AFT — Aerodynamic Flight Test
• FASCOS — Flight Acceleration Safety Cutoff System
• LVO — Launch Vehicle Operations
• AP — Administrative Procedure
• AOQ — Average Outgoing Quality
• AIU — Avionics Interface Unit
• DAIS — Data Avionics Information System
• ASTG — Aerospace Test Group
• AGC — Aerojet General Corporation
• IFR — Instrument Flight Rules
• IRDS — Information Resource Dictionary System
• AA — American Airlines
• AMS — Acoustic Measurement System
• AFSCN — Air Force Space Command network
• CCIR — International Radio Consultative Committee (French Acronym)
• DPSK — Differential Phase Shift Keying
• CRO — Cathode-Ray Oscilloscope
• JAS — Journal of Aerospace Science
• MOM — Mission Operations Manager
• ASE — Advanced Space Engine

• AVE — Aerospace Vehicle Equipment
• AVCS — Attitude and Velocity Control System
• SDF — Software Development Facility
• ANT — Antigua and Barbuda
• SOE — Sequence Of Events
• ASI — Augmented Spark Igniter
• RTLS — Return To Launch Site
• AECS — Area Entry Control System
• LOWG — Landing Operations Working Group
• E/D — edge distance
• LACB — Landing Aids Control Building (SLF At KSC)
• ILS — Instituteument Landing System
• BIS — Bureau of Industry and Security
• MS/MS — Material Science and Manufacturing in Space
• APU — Auxiliary Propulsion Unit
• ISO — Information Systems Office
• AFDR — Ascent Flight Design Review
• DCMA — Defense Contract Management Agency
• APM — Ascent Particle Monitor
• FWB — Fahrenheit Wet Bulb
• USN — United States Navy
• AOS — Advanced Orbiting System
• ASCS — Attitude Stabilization and Control System
• ASSESS — Airborne Science Shuttle Experiments System Simulation
• IONET — Internet Protocol Operational Network
• AA — Antiaircraft Artillery
• CD — current density
• JO — Job Order
• BESS — Biomedical Experiment Support Satellite
• IG — Inspector General (HHS)
• CMB — Configuration Management Board
• AFGE — American Federation of Government Employees
• APC — armored personnel carrier
• HBT — Heflex Bioengineering Test
• APM — Assistant Project Manager
• ASP — Aerosurface Position
• MILS — Missile Impact Location System
• EORQ — engineering order request for quotation
• ADAC — Attitude Determination and Control
• DSIS — Defense Satellite Information System
• BI — Background Information
• ASTF — Aeropropulsion System Test Facility
• ASPI — Aerosurface Position Indicator
• ALTS — Avionics LRU Tracking System
• FCD — Flight Control Division
• TM — Technical Memorandum
• CZCS — Coastal Zone Color Scanner
• CCR — Contract Change Request
• EUV — Extreme Ultraviolet Vertical
• AA — Angular Accelerometer

• DWS — Disaster Warning Satellite
• APA — Abort Programmer Assembly
• AFSRT — avionics flight systems readiness test
• CMOS — Complementary Metal Oxide Semiconductors
• LVIP — Launch Vehicle Integration Plan
• FVV — Facility Verification Vehicle
• JOC — joint operations center; joint oversight committee
• AICP — Aerodynamic Instrumental Coefficient Package
• AIST — Agency Of Industrial Science And Technology (Japan)
• IMS — Integrated Master Schedule
• DDAS — Digital Data Acquisition System
• LHS — left-hand side
• CLSO — Contingency Landing Support Officer
• MAEP — Minimum Autoland Entry Point
• AEM — Arsenal Exchange Model
• ASE — Aerospace Support Equipment
• CCS — Central Control Station
• ATAC — Advanced Technology Advisory Committee
• A&S — Alignment and Stabilization
• LBTPP — launch base test plan/procedure
• BOPACE — Boeing Plastic Analysis Capability for Engines
• MLGS — Microwave Landing Guidance System
• CS — Customer Service
• CAB — Civil Aviation Board
• FFR — Flight Feasibility Review
• LME — Launch Monitor Equipment
• AMK — Aircraft Modification Kit
• AAA — Astronaut-Actuated Abort
• FTVE — functional technology validation experiment
• ADS — Attitude Display System
• DPSD — Data Processing Systems Division
• CCU — Camera Control Unit
• ASAC — aerodynamic surfaces assembly and checkout
• AFCSC — Air Force Cryptologic Support Center
• ATDAP — aircraft target data acquisition program
• CTF — Commit To Flight
• AMCA — Aft Motor Controller Assembly
• FEPC — Flight Equipment Processing Contractor
• ASED — Avionics System Engineering Division
• FAWG — Flight Assignment Working Group
• BMEWS — Ballistic Missile Early Warning System (bee-mews)
• AID — Abbreviated Item Description
• CARDE — Canadian Armament Research and Development Establishment
• AIR — Action Item Report
• ALSA — astronaut life support assembly
• ADS — Air Data System
• GET — Ground Elapsed Time
• FCSD — Flight Crew Support Division
• CAL — Cornell Aeronautical Laboratory
• LVFRR — launch vehicle flight readiness review

• ADAP — Automated Data Analysis Program
• IPLS — Initial Program Load Start
• API — Air Position Indicator
• FIIG — Federal Item Identification Guide
• FIT — Fault Isolation Test
• AR — Acceptance Review
• ESCA — photoelectron spectroscopy for chemical analysis
• ATOS — Automated Technical Order System
• ATL — Advanced Technology Laboratories
• EFA — Experiment Flight Application
• ABM — Acquisition Bus Monitor
• ICBM — Intercontinental Ballistic Missile
• EDAC — Error Detection And Correction
• AFR — Air Force Regulation
• AOA — American Ordnance Association
• CE/CK — computer entry/control keyboard
• AFFDL — Air Force Flight Dynamics Laboratory
• MSME — Master of Science degree in mechanical engineering
• FMCF — First Manned Captive Flight
• SAREX — Shuttle Amateur Radio Experiment
• ASR — Avionic System Review
• LAGS — Launch Abort Guide Simulation
• AES — Analog Event System
• GBR — Ground-Based Radar
• ATR — Air Transport Rating
• ASTE — American Society of Tool Engineers
• APA — Allowance for Program Adjustment
• CRPL — Cosmic Ray Physics Laboratory
• BA — Breathing Air
• GRE — Gamma Ray Explorer
• BPR — Bypass Ratio
• FFBD — Functional Flow Block Diagram
• CHL — Certified Hardware List
• JAN — Joint Army-Navy
• FPR — Flight Performance Reserve
• SPF — Software Production Facility
• ADI — Attitude Display Indicator
• EXMATCH — expert drawing matching system
• A/O — Analog Output
• FCHL — Flight Control Hydraulics Laboratory
• FCOB — Flight Crew Operations Branch
• TBR — To Be Resolved
• APRF — Army Pulse Radiation Facility
• ASA — Aerosurface Amplifier
• ISCCB — Internal Software Change Control Board
• ACSN — Advance Change/Study Notice
• FOT — Flight Operation Trainer
• LAIU — Launch Abort Interface Unit
• ASTRO — Ascent Trajectory Optimization
• CAM — Computer-Aided Manufacturing

• APCP — Aerojet Photoelectric Cell Program
• LULAC — League of United Latin American Citizens
• ATCS — Active Thermal Control System/Subsystem
• EEM — Earth Entry Module
• ALSSW — ALS software
• ALS — Alternative Landing Site
• FLAPS — Flight Application Software
• NPR — National Performance Review (office)
• AMOOS — Advanced Maneuvering Orbit-to-Orbit Shuttle
• ACB — air-cushion barge
• AAO — Astronaut Activities Office
• ECRA — Engineering Change Request Authorization
• APAS — Aerodynamic Performance and Sizing Program
• OP — Operational
• BF — Beat Frequency
• ACL — Ascent Closed Loop
• AFD — Acceptance For Data
• BOW — Bill of Work
• LFV — Lunar Flying Vehicle
• CCW — Counterclockwise
• JFET — junction field effect transistor
• AUTODIN — Automatic Digital Network
• EDF — Engineering Data File
• FIE — Flight Instrumentation Engineer
• ADAP — Aerodynamic Data Analysis Program
• FIMS — Framework for Integrated Manufacturing System
• AMAL — Aeronautical Medical Acceleration Laboratory
• IDOS — Integrated Display Operating System
• COMAS — Combined Orbital Maneuvering and Abort System
• IPACS — integrated power and attitude control system
• ATV — Automated Transfer Vehicle
• NIR — Near Infrared
• ASG — Avionic Subsystems Group
• FDP — Flight Design Panel
• AFSPACECOM — Air Force Space Command
• EEU — Extravehicular Excursion Unit
• BRL — Ballistic Research Laboratory
• AILAS — Automatic Instrument Landing Approach System
• ARTO — Advanced Radiation Technology Office
• BESS — Biomedical Experiment Scientific Satellite
• AFTA — Acoustic Fatigue Test Article
• FBAS — fixed-base aft station
• MAGSAT — Magnetometer Satellite
• ERAP — Earth Resources Aircraft Program
• LG — Landing Gear
• AR — Anomaly Report
• ART — Automated Reasoning Tool
• DMIS — Data Management Information System
• AR — Antireflection
• ESRIN — European Space Research Institute

• LON — Launch on Need
• LLP — Launch and Landing Project
• SSO — Space Shuttle Orbiter
• LPS — Launch Processing System
• ASO — Australian Space Office
• HST — Hubble Space Telescope
• AILS — Automatic Instrument Landing System
• ERO — Engineering Release Operation
• ATS — Administrative Terminal System
• ASAS — Aerodynamic Stability Augmentation System
• ACU — Annunciator Control Unit
• AGARD — Advisory Group for Aeronautical Research and Development
• CE — Chief Engineer
• KAPL — KSC Approved Parts List
• MLE — Mesoscale Lightning Experiment
• WAD — Work Authorization Document
• DSS — Deep Space Station
• LEV — Lunar Excursion Vehicle
• FESP — Flight Execution Support Plan
• SAIL — Shuttle Avionics Integration Laboratory (JSC)
• AB — Airborne Bombing
• ATLAS — Abbreviated Test Language for Avionic Systems
• A/A — analog-to-analog
• AMTF — Acoustic Model Test Facility
• HSI — Horizontal Situation Indicator
• AACCS — Analytical Approach to Candidate Constellation Selection
• AOD — Assistant Operations Director
• FDCF — Flight Design Control Facility
• DAA — Designated Approval Authority
• A/B — Airborne
• CA — Cone Angle
• MOF — Manned Orbital Flight
• ADL — Advanced Development Laboratory
• KOM — KSC Organizational Manual
• AMG — Activation Management Group
• FKB — flight display keyboard
• BIB — Blocked Impurity Band
• FCAF — Flight Crew Accommodation Facility
• NSI — NASA Science Internet
• IOF — Initial Operational Flight
• FRRID — Flight Readiness Review Item DisPosition
• KATS — Ksc Avionics Test Set
• FOPS — Flight Operations Planning Schedule
• AFAL — Air Force Avionics Laboratory
• FCTR — Flight Controller Training Room
• G/T — ratio of antenna gain to receiver noise temperature
• FOST — Flight Operations SUPPOrt Team
• IOP — Intensive Observing Period
• ASTS — Avionic System Test Specification
• AMY — ADA Management Yield

• ALFA — Air-Lubricated Free Attitude
• MFTAD — Master Flight Test Assignment Document (JSC)
• AG — Attitude Gyro
• ARIS — Advanced Range Instrumentation Ship
• FRFT — Flight Readiness Firing Test
• LRA — Laser Retroreflector Array
• ASTD — Advanced Space Technology Division
• ASDE — Aerosurface Driver Electronics
• CCO — Contract Change Order
• BCR — Budget Change Request
• LRB — Liquid Rocket Booster
• IQSY — International Quiet Sun Year
• ISB — Independent Side Band
• AFF — Acceptance and Ferry Flight
• DADS — Dual Air Density Satellite
• AMOS — Air Force Maui optical site
• LCC — Launch Control Complex
• BUFC — Backup Flight Controller
• DCSU — Digital Computer Switching Unit
• AID — Analog Input Differential
• BOL — Beginning of Life
• AIS — Action Item Sheet
• CSTA — Crew Software Training Aid
• A/G — air-to-ground
• ISSA — Integrated Software Safety Analysis
• ESE — Earth Science Enterprise
• FRCS — Forward Reaction Control System (Subsystem)
• AB — Airborne
• SM — Service Module
• AVC — Automatic Volume Control
• AFTS — Aft Fuselage Thrust Structure
• ASC — Aerodynamic Surface Control
• AFMTC — Air Force Missile Test Center
• EDTS — Electronic Data Transfer System
• EIAT — end item acceptance test
• FBB — Flyback Booster
• DAM — Double-Aluminized Mylar
• AAE — Abort Advisory Equipment
• CDF — Confined Detonating Fuse
• CX — Constellation
• AFI — Automatic Fault Isolation
• C2 — Command and Control Class C2
• ISIL — interim support items list
• ASTM — American Society for Testing Materials
• AFSIG — Ascent Flight System Integration Group
• HPICS — heat pipe instrumentation and control system
• A/N — account name
• CAD — Computer-Aided Drawing
• DP&SS — Data Processing And Software Subsystem
• ATU — Audio Terminal Unit

• AER — Atomic Energy Research
• APIRD — authorized procurement information requirements
• CDC — Control Data Corporation, Incorporated
• MLC — Mobile Launcher Computer
• CDMS — contractor data management system
• FIRSSE — Far Infrared Sky Survey Experiment
• MRR — Mission Readiness Review
• HABP — Hypersonic Arbitrary Body Program
• ABC — Automatic Brightness Control
• NF — Noise Figure
• FPV — Flow Proportioning Valve
• FMAHTS — Flight Manifest and Hardware Tracking System
• ATVCS — automatic thrust vector control system
• CAS — Cooperative Application Satellite
• TM — Thematic Mapper (Landsat)
• HQR — Handling Qualities Rating (Cooper-Harper)
• EMCI — Engineering Model Configuration Inspection
• ISTP — International Solar Terrestrial Physics
• COF — Columbus Orbital Facility
• KOH — potassium hydroxide
• ASDM — Aerosurface Driver/Monitor
• FEDB — Flight Execution Data Base
• ATVC — Ascent Thrust Vector Control
• ADU — Annunciator Display Unit
• GLAADS — Gun Low-Altitude Air Defense System
• GB — Gigabit
• ATVC — Automatic Thrust Vector Control
• FQ — Flight Qualification
• AECS — Automated Entry Control System
• ABPS — air-breathing propulsion system
• AED — Analog Event Distributor
• AFWPAL — Air Force Wright-Patterson Aeropropulsion Laboratory
• ATDRP — aircraft target data reduction program
• DD&R — data display and review
• SW — Space Wing
• IRAS — Infrared Astronomy Satellite
• CDSF — Commercially Developed Space Facility
• ARCOMSAT — Arab League communications satellite
• LGA — Low Gain Antenna
• ARFDS — automatic reentry flight dynamics simulator
• FD/FI — Fault Detection/Fault Isolation
• ASO — Astronomical Search for Origins
• AJ — Assembly Jig
• GTAW — gas tungsten arc welding
• FSN — Federal Stock Number (now NSN)
• PMB — Performance Measurement Baseline
• GOCO — government-owned, contractor-operated (US)
• AGL — Absolute Ground Level
• AAMP — Advanced Architecture Microprocessor
• ADS — Audio Distribution System

• BWO — Backward Wave Oscillator
• CRL — Countermeasure Readiness Level
• AA — Antiaircraft
• ACSU — Alternating-Current Switching Unit
• GMAW — Gas Metal Arc Welding
• AME — Abort Maneuver Evaluator
• DTIC — (U.S.) Defense Technical Information Center
• CAIT — Computer-Aided Instruction Terminal
• ATCA — attitude translation control assembly
• ARS — Air Rescue Service
• MSLD — Mass Spectrometer Leak Detector
• EORSAT — Electronic Ocean Reconstruction Satellite
• LCCD — Launch Commit Criteria Document
• LSTE — Launch Site Transportation Equipment
• FTIS — Flight Test Instrumentation System
• ATP — Acceptance Test Program
• FOSA — Flight Operations Support Annex
• ACRV — Assured Crew Return Vehicle
• AQL — Acceptance Quality Level
• CND — Cannot Duplicate
• LETF — Launch Equipment Test Facility
• APC — Aft Power Controller
• ANARS — autonomous navigation and attitude reference system
• ALSE — Astronaut Life Support Equipment
• AFP — Advanced Flexible Processor
• GSDL — Ground Software Development Laboratory
• ABERT — Auto Bit Error Rate Test
• FIAB — Flight Integration Assessment BOard
• AGO — Santiago, Chile Tracking Station
• LSPDF — Life Science Payload Development Facility
• ESOC — European Space Operations Center
• AFP — Air Force Plant
• LOAD — Low-Altitude Defense
• KHIT — KKV hovering interceptor test
• DBIU — Data Bus Interface Unit
• AEC — Aft End Cone
• IBF — Internally Blown Flap
• AI — Associate Investigator
• ATI — Average Total Inspection
• CC — Contract Completion
• AMC — Automatic Mixture Control
• ALSYM — ALS model
• AOA — Abort Once Around (shuttle Abort Plan)
• MEP — Management Education Program
• CM — Command Module
• A/A — airplane avionics
• DP&S — data processing and software
• FOSO — Flight Operations Scheduling Officer
• ACCN — Audit Central Control Network
• JTSC — Joint Test Support Center

• KPD — KSC Program Directive
• HRI — High Resolution Imager
• AVCOR — algorithm vibration correlation
• LUPI — Laser Unequal Path Interferometer
• AED — Aerospace Electrical Division
• DTF — Development Test Facility
• CCN — Contract Change Negotiation
• ESSC — Engineering Support Services Contract
• CTV — Compatibility Test Van
• EOS — Earth Observing System (U.S.)
• HMCF — Hypergolic Maintenance and Checkout Facility
• DVE — Design Verification Experiment
• GLP — Goal Language Processor
• CDRS — Contract Data Requirements Schedule
• FOE — Flight Operations Engineer
• MODS — Military Orbital Development System
• ALCC — Airborne Launch Control Center
• A/L — Airlock
• AIM — Automatic Information Management
• ABT — Air-Bearing Table
• LUT — Launch Umbilical Tower
• MSSTM — military space system technology model
• CC — Cluster Controller
• ASAPTS — automated scheduling and product tracking system
• EOPF — End of Powered Flight
• ABLOS — Algorithm Beam Line of Sight
• BOE — Break of Entry
• CBB — Contract Budget Baseline
• APD — Area Passive Dosimeter
• IPAD — Integrated Program For Aerospace Vehicle Design
• AAMRAM — air-to-air medium-range missile
• FRF — Flight Readiness Firing
• NMI — Nautical Mile
• CMN — Contract Master Network
• ITMG — Integrated Thermal/Micrometeoroid Garment
• AEB — Aft Equipment Bay
• AFML — Air Force Materials Laboratory
• C/W — Carrier Wave
• ARP — As-Run Procedure
• ADSF — Automatic Directional Solidification Furnace
• CFAE — contractor-furnished airborne equipment
• HYPACE — Hybrid Programmable Attitude Control Electronics
• CC — Color Code
• ATC — Assistant Test Conductor
• HDR — High Data Rate
• CPCEI — Computer Program Contract End Item
• ATDB — Aerothermodynamic Data Book
• ABCR — As-Built Configuration Record
• PI — Principle Investigator
• CCA — Contract Change Authority

• AF — Award Fee
• AOS — Airborne Optical System
• ADPF — Automated Data Processing Facility
• CLAES — Cryogenic Limb Array Etalon Spectrometer
• AP — Autopilot
• AAA — allocations, assessments, and analysis
• AET — Algorithm Evaluation and Test
• LLPO — Launch and Landing Project Office
• APOD — Astronomy Picture of the Day
• A/F — Air-to-Fuel ratio
• FOPG — Flight Operations Planning Group
• ACO — assembly checkout
• EDIV — Engineering Design Intent Verification
• CC — Channel Controller
• ICSU — International Council of Scientific Unions
• FMT — Flight Management Team
• MLGD — Main Landing Gear Door
• AH — Attitude Hold
• AFL — Astrobiology Field Laboratory
• FOH — First-Order Hold
• FSW — Flight Software
• ADPL — As-Designed Parts List
• FAMOS — Flight Acceleration Monitor System
• ACES — Automatic Checkout Equipment Sequencer
• AFMDC — Air Force Missile Development Center
• MIL-STD — Military Standard
• AGCS — Automatic Ground Control Station
• ASSE — American Society of Sanitary Engineers
• CA — Contract Advice
• CASE — Computer-Aided System Engineering
• ADD — Architecture Definition Document
• FRP — Fuselage Reference Plane
• ACCU — Audio Central Control Unit
• AID — Action Item Disposition
• DGZ — Desired Ground Zero
• HG — High Gain
• AFWTR — Air Force Western Test Range
• TOGA — Tropical Ocean Global Atmosphere
• LBR — Low Bit Rate
• IAT — Integrated Avionics Test
• ADH — Advanced Development Hardware
• ERRP — Equipment Replacement and Refurbishment Plan
• ALDO — Activity-Level-Dependent Operation
• FQF — First Qualification Flight
• FRG — Federal Republic of Germany's
• FPRV — flight product requirements verification
• ALVIB — algorithm payload vibration
• CSCSAT — Commercial Synchronous Communication Satellite
• ARS — Air Revitalization System
• HPBW — half-power beam width

• GDR — Geophysical Data Record
• ATP — acquisition, tracking, and pointing
• ARC — aggregation of red blood cells
• EDCP — Engineering Design Change Proposal
• IOA — Input/Output Adapter
• LSID — Launch Sequence and Interlock Document
• ERIM — Environmental Research Institute of Michigan
• CMV — Common Mode Voltage
• EUROCOMSAT — European consortium communications satellite
• FSAA — Flight Simulator for Advanced Aircraft
• UPS — User Planning System
• AC — Accomplishment Criteria
• FUT — Flight Unit Test
• DTV&I — development, test, verification, and integration
• AETL — Approved Engineering Test Laboratory
• FCCP — Firm Contract Cost ProPosal
• LCH4 — liquid methane
• AADS — Ascent Air Data System
• KEE — knowledge engineering environment
• EGORD — Experiment Ground Operations Requirements Document
• LSAH — Launch Site Accommodations Handbook
• AI — Airspeed Indicator
• ATE — Aerospace Training Equipment
• HGCDTE — Mercury-Cadmium-Telluride
• LRF — Liquid Rocket Fuel
• M&R — Maintenance and Refurbishment
• AFTOC — Air Force Tactical Operations Center
• DII — Defense Industry Initiative
• AAS — Abort Advisory System
• DPM — Deputy Program Manager
• ACCS — Adaptive Communication Control Subsystem
• FEO — Field Engineering Order
• A/S — acquisition sensor
• ACMB — Applications Configuration Management Board
• A/S — arm/safe
• BOI — Break of Integrity
• AGS — Abort Guidance System
• ISCM — Initial Software Configuration Map
• B/P — blood pressure
• ACL — Allowable Container Load
• ACRC — Assured Crew Return Capability
• GN — Ground Network
• ALS — Ada Language System
• GEO — Geosynchronous Earth Orbit
• AGN&C — advanced guidance, navigation, and control
• CDC — Countdown Clock
• MSBLS — microwave scan-beam landing system
• JED — Julian Ephemeris Date
• A/R — autoland roll-out
• C/O — Cutoff

• MSOB — Manned Spacecraft Operations Building
• AF — Airframe
• CMOS/SOS — complementary metal oxide semiconductor/silicon
• INDAT — incoming data
• FPH — Flight Procedures Handbook
• ME&D — manufacturing engineering and development
• FTS — Federal Telecommunications System
• M50 — Aries mean of 1950, Cartesian coordinates
• IOU — Input/Output Unit
• EHS — environmental health services
• CCR — Contractor Change Review
• GBS — ground-based software
• LOSP — Landing Operations Support Panel
• ASM — air-to-surface missile
• KBSA — Knowledge-Based Software Assistant
• EVO — Engineering Verification Order
• G&A — General and Administrative Overhead
• CCTCF — communication circuit technical control facility
• AMW — Angular Momentum Wheel
• BRS — Bottom Right Side
• HSE — Heat Shield Entry
• MFCS — Manual Flight Control System
• ARES — Advanced Railroad Electronic System
• RADARSAT — Radar Satellite
• MBAC — Marshall Booster Assembly Contractor
• ACES — Acceptance Control Equipment Section
• CPPS — Computer Program Product Specification
• ASCOP — Applied Science Corporation of Princeton
• AFSWC — Air Force Special Weapons Center
• OLA — Operating Level Agreement
• CAIT — Computer-Aided Instruction Trainer
• DECNET — Digital Equipment Corporation Network
• ALV — Advanced Launch Vehicle
• GEC — General Electrodynamics Corporation
• FCITE — FCI time element
• ARPESH — accurate and reliable prototype Earth sensor head
• AGT — Adaptive Guidance Throttling
• MSO — Mission Support Officer
• DA — Data Administrator
• DODISS — Department of Defense Index of Specifications and Standards
• JPOC — JSC Payload Operations Center
• GAPL — Group Assembly Parts List
• FTOH — Flight Test Operations Handbook
• EVM — Earth-viewing module
• ACTS — Acquisition Coarse Tracker Subsystem
• SR — Support Requirements
• AM — Airlock Module
• IFTS — In-Flight Test System
• ADA — Azimuth Drive Assembly
• ASC — American Satellite Corporation

• ECOS — Experiment Computer Operating System
• ADP — Astrophysics Data Program
• FOIH — Flight Operations Integration Handbook
• AOT — Actual Operating Time
• ABCF — As-Built Configuration File
• ACD — Accuracy Control Document
• A/S — auxiliary stage
• BTH — Below the Horizon
• JCS — Joint Chiefs of Staff
• ALRUTS — Automated Line Replaceable Unit Tracking System
• APLAC — Analysis Program Linear Active Circuit
• AC — Atmospheric Corrector
• AB — Air Bearing
• COIM — checkout interpreter module
• ITDR — Integrated Technology and Design Review
• HVI — High-Velocity Impact
• TRR — Test Readiness Review
• AGL — Above-Ground Link
• CDA — Critical Design Audit
• ACM — Auxiliary Core Memory
• ABA — dc amplifier, buffer, and attenuator
• MAIL — Mockup and Integration Laboratory
• CAL — Contract Advice Letter
• KSSS — KSC Station Set Specification
• AGE — Automatic Ground Equipment
• EAROM — Electrically Alterable Read-Only Memory
• FPSR — Flight Planning and Stowage Review
• DOAMS — distant-object attitude-measuring system
• C/C — Combustion Chamber
• LRCA — Long-Range Combat Aircraft
• NMC — Network Management Center
• LPIF — Launch Package Integration Facility
• IRANSAT — Iranian Government Communications Satellite
• CCS — Contract Control System
• ARN — Additional Reference Number
• HEO — High Earth Orbit
• FVF — First Vertical Flight
• CCP — Contract Change Proposal
• DBN — Data Bus Network
• AHM — Automatic Hold Mode
• AFEB — Award Fee Evaluation Board
• EHOT — external hydrogen/oxygen tank
• TM — Technical Monitor
• APAE — attached payload accommodations equipment
• PAO — Public Affairs Officer
• AE — architectural and engineering
• JSCM — JSC Manual
• JURG — Joint Users Requirements Group
• MSFN — Manned Space Flight Network
• NPP — NPOESS Preparatory Project

• ADACS — Attitude Determination And Control System
• BUSHIPS — Bureau of Ships, Washington, DC
• AGAP — attitude gyro accelerometer package
• MMA — Moving Mechanical Assembly
• AMC — Army Missile Command
• ACS — Attitude Control and Stabilization
• G-A — Ground to Air
• AUASAM — Automatic Aimpoint Selection And Maintenance
• FCDR — Final Critical Design Review
• ARTSE — Ada run-time support environment
• ACMA — Army Class Managing Activity
• ACTA — Activate Test Article
• ASVIB — algorithm scoreboard vibrations
• A/J — antijam
• MSO — Manufacturing Safety Office
• AHR — Ablative Heat Rate
• AFE — Aeroassist Flight Experiment
• CCC — Central Computer Complex
• APM — Associate Program Manager
• FSIWG — Flight System Interface Working Group
• DCASR — Defense Contract Administration Services Region
• CPIF/AF — cost plus incentive fee/award fee
• FHC — flight half-coupling
• BN — Bullnose
• LDEC — Lunar Docking Events Controller
• FSDU — Frequency Synthesizer and Distribution Unit
• AFSTC — Air Force Satellite Test Center
• GSVP — Ground Support Verification Plan
• A/FM — arm firing mechanism
• ADIC — Air Defense Intelligence Center
• EVDE — external visual display equipment
• FIIN — Federal Item Identification Number
• BARS — Baseline Accounting and Reporting System
• ALU — arithmetic/logic unit
• AFM — Arm/Firing Mechanism
• BP — Base Plate
• ALCM — Air-Launched Cruise Missile
• AGS — antigravity suit
• ALB — Acceptance Log Book
• ASP — Attached Shuttle Payload
• ATO — Automatic Turn-On
• ARS — Atmospheric Revitalization System
• AFWAL — Air Force Weapons Analysis Laboratory
• AEC — American Engineering Council
• AMMM — Autonomous Magnetic Momentum Management
• CDRR — Contract Documentation Requirements Records
• HDTV — High-Definition Television
• SDO — Solar Dynamics Observatory
• AA/AL — automatic approach/autoland
• KCAS — Knots Calibrated Airspeed

• APDL — Ada programming design language
• LSSRC — Life Sciences Shuttle Research Centrifuge
• ACS — Automated Control System
• CWE — Caution and Warning Electronics
• PM — Post Meridiem
• FMD&C — flight mechanics, dynamics, and control
• A/F — airframe
• SRB — Solid Rocket Boosters
• MPVA — Main Propellant Valve Actuator
• CD — Coefficient of Drag
• CL — Confidence Level
• GDSM — Ground Data Systems Manager
• BSI — Basic Shipping Instruction
• AOD — Analog Output Differential
• AFRSI — Advanced Flexible Reusable Surface Insulation
• APC — Adaptive Payload Carrier
• ATE — Airborne Test Equipment
• ALCOA — Aluminum Corporation Of America
• APSAP — auxiliary propulsion system aft pod
• ADU — Ascent Driver Unit
• CAS — Column Address Strobe
• ANRA — Air Navigation Radio Aid
• AADR — Applications Approval Design Review
• ASSD — Autonetics Strategic Systems Division
• ADS — Air Data Sensor
• KPRD — KSC Program Requirements Document
• ABM — Antiballistic Missile
• LLO — Low Lunar Orbit
• FOWG — Flight Operations Working Group
• GAEC — Grumman Aircraft Engineering Corporation
• VC — Viet Cong
• EMPGS — Electromechanical Power Generation Subsystem
• ASRC — Arctic Slope Regional Corporation
• BIC — Bus Interface Controller
• GL — Government Leased
• AGCA — Automatic Ground-Controlled Approach
• L&L — Launch And Landing
• ACDNS — attitude control, determination, and navigation
• ACES — Acceptance Checkout and Evaluation System
• AV — Audiovisual
• A/M — auto/manual
• ACC — Aft Cargo Compartment
• CPDDS — Computer Program Detail Design Specification
• DAF — Data Analysis Facility
• FMA — Failure Mode Analysis
• CMAO — Contract Management Assistance Officer
• AFSSD — Air Force Space Systems Division
• ABCAS — Algorithm Beam Center And Shape
• KATE — Knowledge-based Autonomous Test Engineer
• ATPG — Automatic Test Program Generator

• AFTA — Aft Frame Tilt Actuator
• ANC — Active Nutation Control
• ALE — Airport Lighting Equipment
• SR — Service Request
• KDS — Kennedy-Developed Software
• ADPS — Acceptance Data Package System
• CUT — Coordinated Universal Time
• EODRS — Earth observation data retrieval system
• ACLS — automated control and landing system
• ATS — Automatic Terminal System
• DK — Display Keyboard
• DISCO — Defense Industrial Security Clearance Office
• AOT — Alignment Optical Telescope
• ACCESS — Assembly Concept For Construction Of Erectable Space
• AUTO-BF — automatic body flap
• BMD — Ballistic Missile Defense; Boyevaya Mashina Desantika (Russian: airborne combat vehicle)
• AP — air pressure
• ARMA — Accumulator-Reservoir Manifold Assembly
• BUOU — Backup Optical Unit
• LLCSC — low-level computer software component
• PIN — Product Identification Number
• AKA — Active Keel Actuator
• G/S — Glide Slope
• AFEC — Award Fee Evaluation Committee
• AMIC — Automated Management Information Center
• LARSSYAA — Laboratory for Application of Remote Sensing Aircraft Analysis
• MRIR — medium-resolution infrared radiometer
• EDSC — Early Deployment System Concept
• EEPROM — electrically erasable read-only memory
• FM/CW — frequency-modulated continuous wave
• ACCE — Augmented Continuous Control Evaluator
• ER — Equipment Room
• HAR — Hazard Analysis Report
• CORE — Common Operational Research Equipment
• ALFT — Approach and Landing Flight Test
• AMCM — Advanced Missions Cost Model
• GTLV — government-furnished target launch vehicle
• BAC — Budget At Completion
• LASV — low-altitude supersonic vehicle
• EMES — electrical, mechanical, and environmental systems
• IVSI — Instantaneous Vertical Speed Indicator
• ACRS — Advisory Committee on Reactor Safeguards
• ASRE — American Society of Refrigerating Engineers
• BP — Back Pressure
• CRERS — crew rescue and equipment retrieval system
• APTI — Actions Per Time Interval
• IPLC — Initial Program Load Complete
• MCD — Minimum Cost Design
• NSC — Norwegian Space Center
• CPEI — Computer Program End Item

• ARCS — Aft Reaction Control Subsystem
• PD — Program Directive
• BDT — Block Data Transfer
• EDL — Engineering Development Laboratory
• ATVCD — Ascent Thrust Vector Control Driver
• FISA — Facility Inspection Shakedown Acceptance
• COSATI — Committee On Scientific And Technical Information
• ACN — Acceptance Change Notice
• EWM — Engineering Wring-out Meeting
• AMIS — Acquisition Management Information System
• BCU — Battery Control Unit
• EVD — External Visual Display
• APK — accelerometer package
• GSP-R — guidance signal processor-repeater
• CDF — Central Data Facility
• EICD — Experiment Interface Control Document
• CCAS — Cape Canaveral Air Station
• ACLC — Adaptive Communication Live Controller
• PCD — Process Control Document  
• MEDS — Mechanical Engineering Design System
• MER — Mission Evaluation Room
• AMBD — automated maintenance data base
• CA — Completion of Assembly
• FSRS — Flight System Recording System
• GPU — Ground Power Unit
• AEC — Aft Events Controller
• ADAM — Automated Distributed Architecture Model
• HICAMP — Highly Calibrated Airborne Measurements Program
• CI — Composite Index
• EGRET — Energetic Gamma Ray Explorer Telescope
• MACO — Major Assembly Checkout
• EMN — Engineering Management Network
• EDLS — Engineering Drawing Library System
• ETB — Equipment Transfer Bag
• AA/AL — airplane avionics/autoland
• KBAC — Kennedy Booster Assembly Contractor
• IFOT — In-Flight Operations And Training
• AMRF — Automated Manufacturing Research Facility
• BPMS — Blood Pressure Measuring System
• ADF — Automatic Display Finder
• EOCR — Engineering Order Control Record
• AIP — Avionics Integration Plan
• HANE — High-Altitude Nuclear Explosion
• FMOFEV — First Manned Orbital Flight With EVA
• CASO — Cancellation Addendum Sales Order
• ATS — Automatic Test Set
• ADAES — advanced data assessment expert system
• ADSA — alternate demonstration structural article
• CCBD — Configuration Control Board Directive
• PPS — Precise Positioning System

• EMK — Emergency Medical Kit
• CWEU — Caution and Warning Electronics Unit
• AGCU — air/ground cooling unit
• EMM — Electromechanical Mockup
• NM — New Millennium
• G/A/G — ground to air to ground
• AP — Accelerometer Package
• AFPD — Authorization for Program Development
• AFSIE — Air Force standard items and equipment
• APO — Automated Purchase Order
• GBSS — Ground-Based Surveillance System
• IACS — Inertial Attitude Control System
• MPM — Manipulator Positioning Mechanism
• AIU — Abort Interface Unit
• AN — Alphanumeric
• ARIES — Astronomical Radio Interferometric Earth Surveying
• BSGE — Bachelor of Science degree in general engineering
• EP — Equivalent Person
• DTCW — Data Transfer Command Word
• ADT — Air Data Transfer
• ICBC — Imax Cargo Bay Camera
• ESV — Emergency Shutoff Valve
• AGOSS — Automated Ground Operations Scheduling System
• CAR — Corrective Action Report
• CTV — Crew Transfer Vehicle
• AR — Atmospheric Revitalization
• AFSCF — Air Force Systems Command Facility
• AFSA — Air Force study and analysis
• BFL — Back Focal Length
• AID — Audit Item Disposition
• F&M — Force and moment
• ACIL — Automatic Controlled Instrument Landing
• AEDS — Analog Event Distribution System
• MSFP — Manned Space Flight Program
• AFETR — Air Force Eastern Test Range
• HUL — Hardware Utilization List
• CISS — Centaur Integrated Support Structure
• NHB — NASA Handbook
• CMAG — Cruise Missile Advanced Guidance
• ALCA — automatic level-control assembly
• AFBMD — Air Force Ballistic Missile Division
• FSD — Flight Simulation Division (JSC)
• ICAAD — interactive computer-aided analysis and design
• E&O — engineering and operations
• AMCR — Automated Master Change Record
• AFO — Abort From Orbit
• AOL — Area Of Launch
• AERO — Aeroballistics
• LAM — Liquid Apogee Motor
• CADU — Control And Display Unit

• ACO — acceptance checkout
• EPDS — Electrical Power Distribution System
• BCE — Bus Control Element
• APUS — Auxiliary Power Unit Subsystem
• AB — Airborne Brigade's
• FOMR — Flight Operations Management Room
• ASB — Airlock Stowage Bag
• AFPR — Air Force Plant Representative
• ANI — Authorized, Not Implemented
• AAP — analog autopilot
• AFESD — Air Force Electronic Systems Division
• ADTA — Air Data Transducer Assembly
• AI — altitude indicator
• ASA — Abort Sensor Assembly
• BATSE — Burst and Transient Source Experiment
• CWBS — Contract Work Breakdown Structure
• AFWSG — Air Force Weapons System Group
• DCN — Document Change Notice
• CRISP — Computer Resources Integrated Support Plan
• IORL — Input/Output Requirements Language
• USN — United Space Network
• ERCM — Engineering Requirements and Change Management
• AICS — Action Item Closeout Sheet
• AAS — Advanced Antenna System
• AIST — Abbreviated Integration System Test
• DAE — Data Acquisition Equipment
• EM&IAS — electromechanical and integrated avionics subsystem
• AFSTC — Air Force Space Technology Command
• AFSCF — Air Force Space Command Facility
• APIF — Automated Process Information File
• CDQ — certificate of qualification
• WP — Working Party
• ILSWG — Integrated Logistics Support Working Group
• HFCT — Hydraulic Flight Control Test
• BDD — Baseline Definition Document
• ETPY — electronic control assembly thrust vector pitch and yaw
• AIR — Adaptive Intercommunication Requirement
• FOGM — Fiber-Optic Guided Missile
• ALCA — Aft Load Controller Assembly
• FM/FM — Frequency Modulation/Frequency Multiplexing
• ACF — American Car and Foundry
• ALASAT — Air-Launched Antisatellite
• ASTB — AGN&C Simulation Test Bed
• APSE — Ada programming support environment
• AGI — Agreement Item
• ACSN — Advance Change Schedule Notice
• AC — Auxiliary Computer
• AICC — Action Item Control Card
• ASPSL — ASPP Sortie Laboratory
• FCPS — Fuel Cell Power System (Subsystem)

• ACRES — automated change request and evaluation system
• BMO — Ballistic Missile Organization
• MLF — MDM Launch Forward
• GETL — Ground Elapsed Time of Landing
• AFT — Active Fine Tracker
• AISD — Autonetics ICBM Systems Division
• AWAA — attack warning and attack assessment
• ASSO — Assistant System Security Officer
• ATS — Analog Tone Signal
• ASCE — Airlock Signal Conditioning Electronics
• ATC — Active Thermal Control
• MEE — Mission-Essential Equipment
• GDP — Generalized Documentation Processor
• CCP — Computer Control Panel
• AHS — Aft Heat Shield
• ARAP — Aeronautical Research Associates of Princeton
• FOPSS — flight operation product scheduling system
• ABTCU — active baseplate thermal control unit
• AFATL — Air Force Armaments Test Laboratory
• ELB — Electrical Load Bank
• DMO — Data Management Office
• BR — Bit Rate
• ASFTS — auxiliary system function test stand
• AHI — Artificial Horizon Indicator
• ATS — Atlantic Tracking Station
• JAEIC — Joint Atomic Energy Intelligence Committee
• DOC — Data Operations Control
• LACI — Laser Autostigmatic Cube Interferometer
• AVE — Atmospheric Variability Experiment
• BOC — Base Operations Contract
• ARD — Abort Region Determinator
• PDL — Ponce de Leon
• ILAS — Instrument Landing Approach System
• ABMO — Antiballistic Missile Office
• DRRD — Design Requirements Review Disposition
• C-C — Carbon-Carbon
• L/O — Lift-off
• ARN — action and reply notice
• AT — Action Time
• FTS — Federal Telephone System
• AMC — Aft Motor Controller
• HCP — Hydraulic Circulation Pump
• LASERCOM — laser communications payload
• AB — Airborne Battlefield
• ADS — Angular Displacement Sensor
• CYI — Canary Islands
• COQ — Certificate Of Qualification
• AF/IN — Air Force/Intelligence
• IBT — International Brotherhood of Teamsters
• BV — Boost Vehicle

• ATLAS — analysis of thrust structure loads and stresses
• HFTS — Horizontal Flight Test Simulator
• APGC — Air Proving Ground Command
• AMAL — Aviation Medical Acceleration Laboratory
• IRBM — Intermediate-range ballistic missile
• ADRL — Automatic Drawing Release List
• APSS — Atmospheric Pressure Supply Subsystem
• FSSE — Flight Sensor Stimuli Equipment
• ABC — Ada browse capability
• EDLN — Engineering DeveloPment Logic Network
• GME — Gimbal Module Electronics
• ACC — Auxiliary Crew Compartment
• ANC — Air Force-Navy-civil
• AFTP — Air Force test procedure
• AZEL — azimuth and elevation
• ATA — Assembly Test Article
• BCRD — Basic Consolidated Requirements Document
• AMG — Angle of the Middle Gimbal
• C-C — center-to-center
• AOCP — ac on-board computer program
• NSC — Network Systems Corporation
• BA — Bank Angle
• FLPS — Flight Load Planning System
• AFPC — Air Force Program Control
• FLR — Flight Log Recorder
• ALSS — Airlock Support System
• CCD — Checkout Command Decoder
• BSR — Bite Status Register
• AMPM — Agency Mission Planning Model
• FMP — Facility Management Plan
• GR/EP — graphite-epoxy
• ACV — air-cushion vehicle
• FUSE — Far Ultraviolet Spectroscopy Explorer
• ALPS — Advanced Liquid Propulsion System
• MGSE — Mechanical Ground Support Equipment
• HFT — Horizontal Flight Test
• ATS — Administrative Telephone System
• ESG — Executive Steering Group
• ASFT — Abbreviated System Functional Test
• ALE — Airborne Laser Experiment
• GTF — Ground Test Facility
• FSED — full-scale engineering development (US)
• CADDS — computer-aided design and drafting system
• OD — Orbit Determination
• CCDR — Contractor Critical Design Review
• GSIF — Ground Station Interface Facility
• GIRD — Ground Integration Requirements Document
• LET — Linear Energy Transfer (in Spacecraft Power Systems)
• ASI — Amended Shipping Instructions
• HFTF — Horizontal Flight Test Facility

• BCD — Baseline Concept Definition
• AOCRD — acceptance and operational checkout requirements
• ADP — Acceptance Documentation Package
• AC — Advanced Composite
• ALSS — Advanced Life Support System
• FSD&P — flight systems design and performance
• ACC — advanced carbon-carbon
• GFERD — government-furnished equipment requirement description
• ARTS — Automated Retrieval and Tracking System
• FEAT — Final Engineering Acceptance Test
• CDH — Constant Delta Height
• DIPEC — Defense Industrial Plant Equipment Center
• ETR — Eastern Test Range (ESME Preferred)
• EPD&C — Electrical Power Distribution and Control
• LDC — Lot Date Code
• HIM — Hardware Interface Module
• AFSCS — Air Force Satellite Communications System
• ALPS — Approach and Landing Procedures Simulator
• SIP — Summer Internship Program
• FPU — floating-point unit
• APA — Antenna Pointing Assembly
• CSO — Complex Safety Office
• AL — Autoland
• EOPAP — Earth and Ocean Physics Application Program
• C/O — Changeout
• GRO — Gamma Ray Observatory (NASA)
• ASRS — Automated Shuttle Requirement System
• ISL — Inertial Systems Laboratory
• FLSC — flexible linear-shaped charge
• BAIR — Breathing Air
• ARAP — Astronaut Rescue Air Pack
• CBP — Connector Bracket Power
• AFP — Ariane-Furnished Property
• LAC — Lockheed Aircraft Corporation
• ADABECS — airborne demonstration advanced beam extraction am
• EPDU — Electrical Power Distribution Unit
• ASF — Atmospheric Science Facility
• DESHE — distributed expert system hosting environment
• GADG — Gravity or Acceleration Due to Gravity
• ACE — Automatic Checkout Equipment
• AMEU — Alpha/Mach Indicator Electronic Unit
• ATTS — Automatic Telemetry Tracking System
• D&P — Drain and Purge
• APPS — Auxiliary Payload Power System
• AMX — AM Transmitter-Receiver
• ASCS — Atmospheric Storage and Control Section
• AIOD — Ascent Insertion On-Orbit Deorbit
• CDR — Conceptual Design Review
• MAR — Multiple Access Return
• AOPM — Airline Operations Planning Model

• EHA — electrohydraulic actuator
• AMPM — Agency Planning Manifeset
• EMWA — Engineering Minor Work Authorization
• ALC — Aft Load Controller
• DDDS — Digital Data Distribution System
• AFETRM — Air Force Eastern Test Range Manual
• ICG — In-Flight Coverall Garment
• CGP — Central Grounding Point
• HBW — Hot Bridge Wire
• FO-FS — fail operational/fail safe
• ARQ — Automatic Request
• LRO — Lunar Reconnaissance Orbiter
• LFA — logistics/functional analysis
• APT — Astronaut Preference Test
• CB — Center of Buoyancy
• LEC — Lockheed Electronics Company
• FIV — Fuel Isolation Valve
• BB — Breadboard
• AOP — Assembly Operations Plan
• GEOSEPS — Geosynchronous Solar Electric Propulsion Stage
• AEOP — Adaptive Electro-Optical Processor
• CCF — Central Computer Facility
• IAV — Inventory Adjustment Voucher
• AWACS — Advanced Warning and Control System
• C&W — Caution and Warning
• ATS — Atlantic Tracking Ship
• CMA — China Meteorological Administration
• APUT — Auxiliary Power Unit Test
• ALSGEM — ALS global evaluation module
• TDRS — Tracking and Data Relay Satellites
• ASLU — Antenna Select Logic Unit
• FPR — Federal Procurement Regulation
• AMPD — Applied Materials Physics Division
• AI — Anti-Icing
• EID — End Item Documentation
• AOFEE — advanced orbiter flight evaluation experiment
• IGY — International Geophysical Year (1 July 1957 - 31 December 1958)
• ALASS — Alternate Low-Altitude Surveillance System
• HTO — Horizontal Takeoff
• GEODSS — ground-based electro-optical deep-space surveillance
• IDMRS — intermediate depot maintenance requirements
• PSS — Portable Spacecraft Simulator
• APP — Advance Procurement Package
• ADA — Adaptive Diagnostic Authoring
• LMSC — Lockheed Missiles and Space Corporation
• ASC — Airlock Support Component
• PSM — Procurement Strategy Meeting
• TRK — Track
• ATM — Apollo Telescope Mount (on Skylab)
• APPF — Automated Payload Processing Facility

• ARIS — ALS Requirements Information System
• APE — Arithmetic Processing Extension
• MIMS — Medical Information Management System
• KDD — Knowledge Discovery and Data Mining
• DEDA — Data Entry and Display Assembly
• BSA — bus status/alternate bus table
• CITS — Central Integrated Test System
• AO — Acoustic-Optical
• ATT — acceptance thermal testing
• AFS — Air Force Standard
• EDPC — Electronic Data Processing Center
• CPFF/IF — cost plus fixed fee/incentive fee
• FRDI — Flight Research and Development Instrumentation
• EBC — Emulated Buffer Computer
• CBA — C-Band Transponder Antenna
• DLH — Direct Labor Hour
• ALSEMP — ALS Engineering Management Plan
• IFTM — in-flight test and maintenance
• MPICD — mission-peculiar interface control document
• ATIS — Automatic Terminal Information System
• AD — Air Density
• AWG — Activation Working Group
• FSLP — First Spacelab Payload
• FSY — Factor of Safety Yield
• ADPA — Air Data Probe Assembly
• IFU — Interface Unit
• HILS — hardware-in-the-loop simulation
• KU — Keyboard Unit
• GIDS — General-purpose Interactive Display System
• MM&TS — master manufacturing and test schedule
• AFAD — Armed Forces Acquisition Document
• ARMS — Automated Requirements Management System
• EIU — Engine Interface Unit
• ASST — American Society for Steel Treating
• APPLE — advanced propulsion payload effect
• ICWG — Interface Control Working Group
• HPPF — Horizontal Payloads Processing Facility
• BCD — Budget Change Document
• CCL — Critical Characteristics List
• LHA — Local Hour Angle
• ATTACK — advanced threat technology attack coordination and
• FBM — fleet ballistic missile submarine
• CCF — Converter Compressor Facility
• COGMAN — center of gravity of payload manifest
• ATC — Ablative Thrust Control
• GPAS — general-purpose airborne simulator
• BTC — Bus Tie Contractor
• CAA — Cost Account Authorization
• AMS — actuation mechanism subsystem
• ADB — auxiliary memory data output bus

• CCM — Crew/Cargo Module
• AES — Advanced Electrical Schematic
• ACT — Acquisition Coarse Tracker
• ASRS — Automated Support Requirements System
• ATOLL — Acceptance Test of Launch Language
• AMSC — advanced military space flight capability
• ATDF — Automated Test Development Folder
• JSTARS — Joint Surveillance and Target Attack Radar System
• RID — Review Item Disposition
• COSPAC — cost/schedule planning and control
• BDW — burst detector EMP sensor
• CUB — Commonality Usage Board
• AMTAS — automatic modal tuning and analysis system
• KKV — Kinetic Kill Vehicle
• CCA — communications carrier assembly
• ATP — Advanced Technical Payroll
• AMTD — Automatic Magnetic Tape Dissemination
• CAP — Control Account Plan
• ALRC — Aerojet Liquid Rocket Company
• FMK — Field Modification Kit
• GDCA — General Dynamics Convair Aircraft
• HCRB — Hardware Configuration Review Board
• ATRS — Automated Training Records System
• ADS — Advisory and Directive System
• DBP — Design Baseline Program
• CM&S — Communications Maintenance and Storage
• ATS — Automatic Transcribing System
• ILSMT — Integrated Logistics Support Management Team
• ADCOM — air defense command
• AFEV — Air Force experiment vehicle
• DABS — Discrete Address Beacon System
• DBUR — Data Bank Update Request
• ALERT — Acute Launch Emergency Reliability Tip
• SAC — Senate Appropriations Committee
• ATA — Abort Time Assembly
• AS/CP — attitude set/control panel
• AMDS — Advanced Missions Docking System
• DPD — Data Procurement Document
• EDPM — Electronic Data Processing Machine
• AMCC — ADL Master Control Console
• BMDSCOM — Ballistic Missile Defense Systems Command
• APS — Aft Propulsion System
• ACE — Array Combining Experiment
• ER — Eastern Range
• SNR — Signal Noise Ratio
• AVRCS — attitude, velocity, reaction control system
• AR — Acceptance Readiness
• APES — Advanced Processor Emulator System
• BTE — Bench Test Equipment
• FACC — Ford Aerospace and Communications Corporation

• ADP — Architecture Decision Point
• CGAU — Cabin Gas Analysis Unit
• EHC — Electrical Heating Control
• MBE — Minority Business Enterprise
• DCAR — Design Corrective Action Report
• BDCR — Baseline Document Change Request
• CETF — Critical Evaluation Task Force
• GDDM — Graphical Data Display Manager
• AC — Assembly Complete
• CARB — Central Acquisition Review Board
• LSG — Linear Sequence Generator
• HIGED — Handbook of Instructions for Ground Equipment Designers
• ATS — Assembly Trusses and Structure
• ASSH — Advanced Space Systems Hardening
• ACD — Anti-Carryover Device
• ATP-FC — acquisition, tracking, and pointing fire control
• SA — System Administrator
• BP — Boilerplate
• BD — Binary Decoder
• ATC/FTD — Air Training Command/Field Training Detachment
• ILRV — Integral Launch and Reentry Vehicle
• FPB — Fuel Preburner
• ATM — Ascent Trajectory Model
• AGOES — Advanced Geosynchronous Observation Environment Satellite
• UPN — Universal Product Number
• CVF — Circular Variable Filter
• GSPF — Ground Software Production Facility
• ATPA — Alpha Temperature Probe Assembly
• AMF — Abort Motor Facility
• EFCS — Earth-fixed coordinate system
• GPVS — General-Purpose Visual Simulator
• AFPM — Air Force program manager
• APIRL — authorized procurement information requirements list
• HEMIL — hardware evaluator, man in loop
• DRI — Data Rate Indicator
• AT — Assembly Truss
• ARPCS — Atmospheric Revitalization Pressure Control System
• AJCS — Automated Job Card System
• AMDCS — assurance management document control system
• AI — Altimeter Indicator
• HF/DF — Hydrogen Fluoride/Deuterium Fluoride
• GPD — Gimbal Position Display
• HR&T — heat rejection and transport
• HSV — hypersonic vehicle
• BDA — Bermuda Island
• CCS — Central Control Section
• ARS — ALS Release System
• CCIM — Command Computer Input Multiplexer
• CM — Crew Module
• AFSLV — Air Force space launch vehicle

• CAP — Competitive Access Provider
• EVCU — Extravehicular Communications Umbilical
• CWEA — Caution and Warning Electronic Assembly
• FCU — Fluid Checkout Unit
• GSEL — Ground Support Equipment List
• DDCS — Data Distribution and Command System
• CETA — Crew and Equipment Translation Aid
• IPTR — in-process technical review
• ASPR — armed service procurement regulation
• INSB — Indium Antimonide
• BDY — burst detector optical sensor
• ASO — Administrator Staff Office
• MAR — Mission Analysis Room
• ETL — Environmental Test Laboratory
• CPSD — cross-power spectral density
• DAAT — Distributed Architecture Analysis Tool
• DIGIKON — digital control analysis software
• ASCS — Atmosphere Storage and Control Subsystem
• ABJIT — algorithm beam jitter
• ACT — acquisition, control, and test
• METVC — main engine thrust vector control
• BECO — Booster Engine Cutoff
• CWFSP — Caution and Warning/Fire Suppression Panel
• AMT — Auxiliary Master Tape
• CMRR — Common Mode Rejection Ration
• MEB — main electronics box
• BIBIB — back-illuminated blocked impurity band
• ATPSE — acquisition, tracking, and pointing system emulator
• ADPSSM — ADP system security monitor
• AFFTC/RPL — Air Force Flight Test Center/Rocket Propulsion
• ASAT — Antisatellite
• ALOSA — algorithm line-of-sight angle
• ASE — Automatic Support Equipment
• AMPTE — Active Magnetospheric Particle Tracer Explorer
• BDA — Backup Drive Amplifier
• DPT — Design Proof Test
• SCR — Strip Chart Recorder
• CBE — Connector Bracket Experiment
• ASPS — annular suspension and pointing system
• ABS — air-break switch
• MBK — Medications and Bandage Kit
• DU — Display Unit
• CDB — Command Data Base
• LISA — Laser Inferometer Space Antenna
• EMON — Exception Monitoring
• APS — Attitude Propulsion System
• BF — Body Flap
• JPASO — Joint Pacific Area Scheduling Office
• FACR — first-article configuration review
• MEECN — Minimum Essential Emergency Communication Network

• EPGCS — electrical power generation and control subsystem
• AP — atmospheric and space physics
• DLAT — Destructive Lot Acceptance Testing
• DBE — Data Bus Element
• ETV — Electrical Test Vehicle
• INR — Inertial Reference
• ANA — Air Force-Navy aeronautical bulletin
• ALERT — Acute Launch Emergency Restraint Tip
• DAS — Data Archive System
• CWS — Caution and Warning System
• BSTS — Boost Surveillance Tracking System
• AETB — alumina-enhanced thermal barrier
• FSPL — free-space-path loss
• BB — Baseband signal
• AFP888 — designation for P80-1 spacecraft
• AF/DBS — areal fluid data base system
• AESOP — an easy system of programming
• AES — American Electroplaters Society
• ASDTIC — analog-signal-to-discrete-time-interval converter
• C&T — Communication and Tracking
• CCSR — Carbon-Carbon Survivable Radiator
• GE-AESD — General Electric Aerospace Electronics Systems
• AGE — air/ground equipment
• I&Q — in phase and quadrature
• APN — ACE Problem Notice
• F-F — face-to-face
• CDBFR — Common Data Buffer
• AMR — Area-to-Mass Ratio
• CMRB — Contractor Material Review Board
• ARAR — Accident Risk Assessment Report
• CDB — Central Data Buffer
• AL-LI — aluminum lithium
• GCO — Ground Checkout
• MBFP — Manufacturing Build and Flow Plan
• C&P — Contracts and Pricing
• H/C — head count
• BRAVO — Business Risk and Value of Operation in Space
• BLV — Bleed Valve
• MML — master measurement list
• MOI — moments of inertia
• DTRD — Development Test Requirements Document
• ASC — auxiliary switch normally closed
• ASI — Augmented Spark Indicator
• HBBW — half-beam bandwidth
• AMC — Air Material Command
• FUO — Follow-up Output
• CFT — cross-functional team
• COSTA — Cost Accounting (Code)
• CSDM — Computer System Diagnostic Manual
• BSR — Basic System Release

• EPDC — Electrical Power Distribution and Control
• CAPSS — Computer-Aided Planning and Scheduling System
• APR — Advance Parts Release
• ASTP — Apollo-Soyuz Test Project
• GGVM — gas generator valve module
• ATA — Aft Test Article
• EVAS — Extravehicular Activity System
• APS — Automated Planning System
• BPT — Body Point
• EPPSS — electrical power/pyro sequential system
• ATS — Asynchronous Task Storage
• KTF — Kauai Test Facility
• APC — Airborne Particle Counter
• TCA — Transformational Communications Architecture
• EDS — Edit and Decommutation System
• DWI — Data Word In
• HFCL — Hydraulic Flight Control Laboratory
• DRA — Document Release Authorization
• AISTR — advanced interferometric system technology requirement
• APS — Ascent Propulsion System
• CHR — Cooper-Harper Rating
• ITRB — Integrated Technical Review Board
• DAFT — Data Acquisition Frequency Table
• FMDM — flexible multiplexer/demultiplexer
• DIPS — Dynamic Isotope Power System
• BMFT — German D-1 Spacelab Payload
• BSW — BFS software
• AC — Application Controller
• AOPL — Advance Order Parts List
• ARTS — Automated Restricted Tracking System
• AL — airlock
• AES — Atmosphere Exchange System
• GFS — Government-Furnished Software
• ACC — Automatic Control Console
• BPI — Boost Phase Intercept
• ASTIA — Armed Services Technical Information Agency
• EFSSS — Engine Failure Sensing and Shutdown System
• ASP — Airborne Science Program
• APTE — Automated Production Test Equipment
• APP — Approach Astrophysics Payload
• FPQ — fixed, special-purpose radar
• BD — Binary Digit
• CDPIS — Command Data Processing and Instrumentation System
• AND — Air Force-Navy design
• FCW — Format Control Words
• DAF — Data Archive Facility
• EPDCS — Electrical Power Distribution and Control System
• ALIO — Activity-Level-Independent Operation
• B/O — Breakout
• BOP — Baseline Operations Plan

• FPPR — Fixed Price with Price Revision
• BCE — Backup Control Electronics
• GCI — ground-controlled interception
• DPAS — Defense Priorities and Allocation System
• MOPIS — missile operations intercommunications system
• ALDC — Automatic Load and Drive Control
• AMF — apogee memory image
• DER — Drawing Error Report
• ADS — Attitude Determination Subsystem
• CCZ — Command and Control Zone
• ASCADS — Aft Station Command and Data System
• HERT — Headquarters Emergency Relocation Team
• AM — Actuator Mechanism
• MLL — MDM Launch Left
• D/VD — Data/Voice Data
• AOSP — Advanced On-Board Signal Processor
• DS&R — Data Storage and Retrieval
• APS — Auxiliary Propulsion System
• LMIF — Lower Mechanical Integration Frame
• MIEWF — master integrated engineering work file
• DHE — Data Handling Equipment
• WMAP — Wilkinson Microwave Anisotropy Probe
• CC — Closing Coil
• ADC — Analog-to-Digital Computer
• AOIS — Automatic Optical Inspection System
• CIWG — Cargo Integration Working Group
• LEFM — Linear Elasticity Fracture Mechanics
• APS — Automatic Processing System
• EBU — Eyeballs Up (-GZ)
• DRAT — Data Requirements Analysis Tool
• CDC — Confined Detonating Cord
• BFC — Body Flap Control
• AIST — Advanced Interferometric System Technology
• GEOMOD — geometric modeler
• G/T — Gain to Noise Temperature Ratio
• C/SCSC — cost and schedule control system criteria
• IHSR — Integrated Hardware/Software Review
• IT&V — Integrated Test and Verification
• APS — Auxiliary Power Subsystem
• BOS — Backup Operating System
• ASP — Acquisition Strategy Planning
• ASAP — Advanced Sensor Analysis Program
• CAP — Capability Assurance Program
• CD — Countdown
• MALT — Model Assembly List Transmittal
• CCT — computer-compatible tape
• ATOP — ADA Technology Operational Planning
• BC — Broadcast
• BAS — Breathing Air System
• APLIS — automated payload ICD system

• AHCS — Advanced Helicopter Control System
• FACS — Finance and Control System
• FH — Flex Hose
• HX — Heat Exchanger
• OCR — Operations Control Room
• SEF — Sustaining Engineering Facility
• CT — Crawler Transporter
• EOQ — End of Quarter
• FOBS — Fractional Orbit Bombing System
• CBX — C-Band Transponder
• CAAT — Computer-Aided Assembly Tool
• NCO — National Coordination Office
• IMAS — Institutional Management Accounting System
• COLA — cost-of-living adjustment/allowance
• CDN — CDR Discrepancy Notice
• GTE — General Telephone and Electronics
• APT — Airborne Pointer Tracker
• FOG — Fiber-Optic Gyro
• ALCOM — Algorithm Line-Of-Sight Comparison
• FDU — Fluid Distribution Unit
• GCHX — Ground Cooling Heat Exchanger
• CRI — Certification Requirements Index
• ID&CS — ID&C subsystem
• FPSS — fine-pointing sun sensor
• AMS — Amplifier Subsystem
• DPCL — dedicated payload communication link
• AMU — Attitude Match Update
• P2P — Point-To-Point
• DTMO — Development, Test, and Mission Operations
• ADS — Action Document Summary
• EDPE — Electronic Data Processing Equipment
• G/A — ground to air
• POLAR — Polar Plasma Laboratory
• ARA — Auxiliary Recovery Antenna
• IOM — Input/Output Module
• CWT — Code Walk-Through
• GSERD — Ground Support Equipment Recommendation Data
• DDPS — Digital Data Processing System
• BPO — Blanket Purchase Order
• CDF — Circuit Design Fabrication
• ARSDA — Advanced Radiation Space Defense Application
• C/O — Contamination/Overpressure
• ATL — Aero-Thermal Lab
• BUSGEN — Bussin generator
• CCL — Commonality Candidate List
• ATP — Activation Test Program
• ESTF — Electronic System Test Facility
• ATC — ATE Computer
• ITVE — Integrated Technology Validation Experiment
• MITIL — MIT Instrumentation Laboratory

• ERRC — expendability, recoverability, and repair capability
• AOES — Advanced Orbit Ephemeris System
• BTU — Bus Terminal Unit
• COMM — Communications Module
• ELDV — Electrically Operated Depressurization Valve
• DIS — Data Interface System
• BS — Block Specification
• HEL — High-Energy Laser (US)
• CELSS — Controlled Ecological Life Support System
• ARTS — Advanced Remote Tracking Station
• CAS — Command Augmentation System
• CUC — Computer Usage Control
• CNRL — Communications and Navigation Research Laboratory
• AVT — Acceptance Vibration Testing
• JIC — Job Instruction Card
• APWL — Automatically Processed Wire List
• GEDAC — General Electric Detection and Automatic Correction
• AMSD — Autonetics Marine Systems Division
• AMS — Administrative Messaging System
• CBW — Constant Bandwidth
• IPPB — Illustrated Provisioning Parts Breakdown
• LAMMR — large-antenna multichannel microwave radiometer
• ISDC — International Space Development Conference
• CDC — Classified Document Control
• ATDP — Acceptance Test Data Package
• AMS — Antenna Management System
• LAIRT — Large-Aperture Infrared Telescope
• IOE — Input/Output Error Log Table
• BKNO3 — boron-potassium nitrate
• EEL — Electrical Equipment List
• ANVIL — CAD tool
• SC — Switching Center
• BSM — Booster Separation Motor
• AM — Assurance Management
• SPS — Spectrum Planning Subcommittee
• ASAP — ACE Shuttle Application Processing
• ITU — Input Terminal Unit
• HEDI — High Endoatmospheric Defense Interceptor
• ADM — Air Data Management
• CAPS — Crew Activity Planning System
• CCSD — Chrysler Corporation Space Division
• DCO — Detailed Checkout
• DLR — Deutschen Zentrum fur Luft und Raumfahrt
• CFI — Card Format Identifier
• AMI — Apogee Memory Image
• FNT — Failure Notification Telex
• CMC — Center Management Council
• DF/CMB — data formatter and command monitor bus
• IOCU — Input/Output Control Unit
• AFSATCOM — Air Force satellite communication(s)

• LAPSS — Large-Area Pulse Solar Simulator
• CWLM — Caution and Warning Limit Module
• GDSD — Ground Data Systems Division
• BSI — Boeing Services International
• B/L — Baseline
• FSSS — Future Strategic Systems Study
• CCR — Control Center Rack
• GDSO — Ground Data Systems Officer
• AFWAL/ML — Air Force Wright Aeronautical Lals Laboratory
• CDQR — Critical Design and Qualification Review
• CBS — Connector Bracket Signal
• LLTIL — long-lead-time items list
• BLS — Bottom Left Side
• ASATS — antisatellite simulation
• GCMR — Ground Control Message Request
• CCFF — Cape Canaveral Forecast Facility
• EGF — Electrical Grapple Fixture
• ATP — Airborne Tracking and Pointing
• EPTU — Events per Time Unit
• CTPD — Crew Training and Procedures Division
• MITTS — Mobile Igor Tracking Telescope System
• FACI — first-article configuration inspection
• CARR — Customer Acceptance Readiness Review
• IFRU — In-Flight Replaceable Unit
• ARABSAT — Saudi Arabian communications satellite
• DDCS — Document and Data Control System
• CSN — Customer Source Number
• IDMM — Intermediate and Depot Maintenance Manual
• CDUM — coupling display unit IMU
• BCLS — Base Cardiac Life Support
• AC — Audio Center
• ADS — Ascent Design System
• ESS — Engineering Support System
• CCVA — Chamber Coolant Valve Actuator
• EBS — Emergency Breathing Subsystem
• BUR — Backup Rate
• ASGPD — attitude set and gimbal position display
• AIS — Airlock Illumination Subassembly
• AMLC — asynchronous multiline controller
• CDP — Command Data Processor
• FLTSATCOM — fleet satellite communications
• EEP — Electronic Equipment Package
• CPE — Customer-provided equipment
• AM — Antenna Management
• BILBO — built-in logic block observer
• CCAS — Contractor Cost Accrual System
• AVE — Automatic Volume Expansion
• EVLSS — Extravehicular Life Support System
• MELI — Master Equipment List Index
• MPHE — Material and Personnel Handling Equipment

• CCCD — Crew Compartment Configuration Drawing
• CDF — Combined Data File
• G-G — ground to ground
• BCO — booster cutoff
• ARRS — air recovery and rescue service
• CADE — controller/attitude direct electronics
• HYDAC — hybrid digital-analog computer
• KSA — Ku-band Single Access
• CDG — Concept Development Group
• GSBCA — General Services Board of Contract Appeals
• DUA — Digital Uplink Assembly
• EVSU — Extravehicular Space Unit
• IRDTS — ITS RF and digital test set
• DPDM — differential pulse-duration modulation
• PPS — Payload Planning System
• AVVI — altitude/vertical velocity indicator
• EURECA — European Retrievable Carrier
• FDSCU — fluid distribution system control unit
• FCRT — Flight Display CRT
• ILSA — Integrated Logistics Support Analysis
• HFRW — high-frequency resistance welding
• DSARC — Defense System Acquisition Review Committee
• DES — Data Exchange System
• BRM — Biological Research Module
• LVLH — local vertical/local horizontal
• JOR — Job Order Request
• BMAS — Body-Mounted Accelerometer System
• EIASN — End Item Assembly Sequence Number
• APC — Advanced Propulsion Comparison
• DRMR — disposition report on MR
• DETA — Diethylene Triamine
• BT — Burn Time (Engine)
• EO — Engineering Office
• GIA — general-purpose computer interface adapter
• DMES — dimethylethoxys
• CARM — Customer Accommodation Requirement Model
• CCS — Command and Communication System
• FCSTF — Fuel Cell System Test Facility
• CDNR — CDR Discrepancy Notice Record
• ASC — Array Stowage Container
• AWL — Automated Wire List
• CML — Commands and Measurement List
• BAC — Buffer Access Card
• ISO — International Standardization Organization
• GOSS — Ground Operational Support System
• ALSSSWG — ALS System Security Working Group
• IV&V — Independent Validation and Verification
• IMO — Integration Management Officer
• EIT — Entry Interface Time
• DD&CS — Dedicated Display and Control Subsystem

• BNS — Bomb Navigation System
• ESS — Earth System Science
• DOVAP — Doppler Velocity and Position
• ACT — audio center transmission
• CAP — Cost Account Plan(s)
• HAK — Horizontal Access Kit
• CCU — Communications Carrier Unit
• BOSO — Ballistic Orbital Support Operations
• AS — Antispoof
• ICDU — Inertial Coupling Data Unit
• APC — automatic phase control
• AIP — Aircraft Instrumented Payload
• DECA — display/AGAP electronic control assembly
• GTE — General Telephone Electric
• ARGMA — Army Rocket and Guided Missile Agency
• EAL — equipment airlock
• AR — Avionics Ring
• EPSTF — Electrical Power System Test Facility
• ARC — Automatic Responsivity Correction
• CFES — Continuous Flow Electrophoresis System
• GIM — Generalized Information Management
• CFM — customer-furnished material
• JRB — Joint Review Board
• CMRS — Configuration Management Requirements Standard
• AMRV — astronaut maneuvering vehicle
• COMM — Communications Society
• BCU — Bus Control Unit
• GFTM — Generic Fluids Transfer Model
• DPDS — Distributed Processing Design System
• RS — Relay Satellite
• AICBM — anti-ICBM
• BEAF — Beam Expander Alignment Function
• FPCA — Forward Power Controller Assembly
• PIO — Program Integration Office
• FND — Facility Need Date
• EVATA — Extravehicular Activity Translational Aid
• ETT — Estimated Time Of Track
• CBV — Cabin Bleed Valve
• CC — Convolutional Coding
• GATE — Generic Automatic Test Equipment
• GPIO — general-purpose input and output
• MCOP — Mission Control Operations Panel
• CAU — Customer Acquisition Unit
• BW — Beam Width
• SPIP — Strategic Program Implementation Plan
• CACB — Center Aisle Connector Bracket
• CDAS — Core Design Analysis Simulation
• LOGO — Limit of Government Obligation
• AOD — Advanced Object Data
• OSO — Office of Space Operations

• CTRS — Component Test Requirements Specifications
• RFS — Radio Frequency Surveillance
• LVDC — Launch Vehicle Digital Computer
• DBI — Data Base Interface
• AT — Access Tower
• CSDD — Control Systems Development Division
• BPSK — Binary Phase Shift Key
• CDB — Computer Data Bus
• LS/ST — Light Shield/Star Tracker
• BET — best estimate of trajectory
• CMDB — Configuration Management Data Base
• ARTOOS — Advanced Radiation Technology Office optical support
• CC — Cost Center
• DMMH — direct maintenance man-hours
• CCME — Contract Change Mass Estimate
• EMSP — Enhanced Modular Signal Processor
• CAS — Calibrated Ancillary System
• MPTA — Main Propulsion Test Article
• CSDF — Central Source Data File
• AMS — Automated Messaging System
• CM — Current Month
• CSSE — Control System Simulation Equipment
• EEH — EMU electrical harness
• HIV — Helium Isolation Valve
• AUCV — Advanced Unmanned Cargo Vehicle
• DCASMA — Defense Contract Administration Services Management Area
• MSCL — Measurement Standards and Calibration Laboratory
• BMDATC — Ballistic Missile Defense Advanced Technology Center
• BP — Bandpass
• DAPS — Decommutation And Processing System
• CDSL — Computer Data System Laboratory
• AMS — Automated Material System
• BEST — Booster Exhaust Study Test (NASA)
• C/SC — cost/schedule control
• BMI — Battelle Memorial Institute
• DCIB — Data Communication Input Buffer
• MOCC — Mission Operations Control Center
• IHP — Indicated Horsepower
• BSD — Ballistic Systems Division
• AMS — Automated Measurement System
• EOHT — External Oxygen and Hydrogen Tank
• DCEP — Data Collection and Evaluation Plan
• GMAL — General Electric Macro Assembly Language
• LCOM — Logic Control OutPut Module
• BFEC — Bendix Field Engineering Corporation
• CUIL — Common Usage Item List
• CARID — Customer Acceptance Review Item Disposition
• TR — Tape Recorder
• BCT — Bus Configuration Table
• CD — coin dimple